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14973840 = 2432572971
BaseRepresentation
bin111001000111…
…101110010000
31001011202020200
4321013232100
512313130330
61252535200
7241163340
oct71075620
931152220
1014973840
1184a8082
125021500
13314377b
141dbad20
1514aba60
hexe47b90

14973840 has 120 divisors (see below), whose sum is σ = 57490368. Its totient is φ = 3421440.

The previous prime is 14973839. The next prime is 14973841. The reversal of 14973840 is 4837941.

It is a happy number.

14973840 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (14973839) and next prime (14973841).

It is a tau number, because it is divible by the number of its divisors (120).

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 14973795 and 14973804.

It is not an unprimeable number, because it can be changed into a prime (14973841) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3555 + ... + 6525.

Almost surely, 214973840 is an apocalyptic number.

14973840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 14973840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28745184).

14973840 is an abundant number, since it is smaller than the sum of its proper divisors (42516528).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

14973840 is a wasteful number, since it uses less digits than its factorization.

14973840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2997 (or 2988 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 14973840 is about 3869.6046309668. The cubic root of 14973840 is about 246.4777548784.

The spelling of 14973840 in words is "fourteen million, nine hundred seventy-three thousand, eight hundred forty".

Divisors: 1 2 3 4 5 6 7 8 9 10 12 14 15 16 18 20 21 24 28 30 35 36 40 42 45 48 56 60 63 70 72 80 84 90 105 112 120 126 140 144 168 180 210 240 252 280 315 336 360 420 504 560 630 720 840 1008 1260 1680 2520 2971 5040 5942 8913 11884 14855 17826 20797 23768 26739 29710 35652 41594 44565 47536 53478 59420 62391 71304 83188 89130 103985 106956 118840 124782 133695 142608 166376 178260 187173 207970 213912 237680 249564 267390 311955 332752 356520 374346 415940 427824 499128 534780 623910 713040 748692 831880 935865 998256 1069560 1247820 1497384 1663760 1871730 2139120 2495640 2994768 3743460 4991280 7486920 14973840