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14974840 = 2352341397
BaseRepresentation
bin111001000111…
…111101111000
31001011210121201
4321013331320
512313143330
61252543544
7241166266
oct71077570
931153551
1014974840
1184a8901
125021bb4
13314406a
141dbb436
1514abeca
hexe47f78

14974840 has 64 divisors (see below), whose sum is σ = 36106560. Its totient is φ = 5575680.

The previous prime is 14974837. The next prime is 14974847. The reversal of 14974840 is 4847941.

It is a self number, because there is not a number n which added to its sum of digits gives 14974840.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14974847) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37522 + ... + 37918.

It is an arithmetic number, because the mean of its divisors is an integer number (564165).

Almost surely, 214974840 is an apocalyptic number.

14974840 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 14974840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18053280).

14974840 is an abundant number, since it is smaller than the sum of its proper divisors (21131720).

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

14974840 is a wasteful number, since it uses less digits than its factorization.

14974840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 472 (or 468 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 37.

The square root of 14974840 is about 3869.7338409767. The cubic root of 14974840 is about 246.4832416087.

The spelling of 14974840 in words is "fourteen million, nine hundred seventy-four thousand, eight hundred forty".

Divisors: 1 2 4 5 8 10 20 23 40 41 46 82 92 115 164 184 205 230 328 397 410 460 794 820 920 943 1588 1640 1886 1985 3176 3772 3970 4715 7544 7940 9131 9430 15880 16277 18262 18860 32554 36524 37720 45655 65108 73048 81385 91310 130216 162770 182620 325540 365240 374371 651080 748742 1497484 1871855 2994968 3743710 7487420 14974840