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14972380 = 2251931241
BaseRepresentation
bin111001000111…
…010111011100
31001011200020121
4321013113130
512313104010
61252524324
7241156153
oct71072734
931150217
1014972380
1184a6a75
1250206a4
133142bc7
141dba59a
1514ab3da
hexe475dc

14972380 has 72 divisors (see below), whose sum is σ = 35033040. Its totient is φ = 5356800.

The previous prime is 14972369. The next prime is 14972407. The reversal of 14972380 is 8327941.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 365160 + ... + 365200.

It is an arithmetic number, because the mean of its divisors is an integer number (486570).

Almost surely, 214972380 is an apocalyptic number.

14972380 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 14972380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17516520).

14972380 is an abundant number, since it is smaller than the sum of its proper divisors (20060660).

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

14972380 is a wasteful number, since it uses less digits than its factorization.

14972380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131 (or 98 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 14972380 is about 3869.4159766042. The cubic root of 14972380 is about 246.4697438133.

The spelling of 14972380 in words is "fourteen million, nine hundred seventy-two thousand, three hundred eighty".

Divisors: 1 2 4 5 10 19 20 31 38 41 62 76 82 95 124 155 164 190 205 310 380 410 589 620 779 820 961 1178 1271 1558 1922 2356 2542 2945 3116 3844 3895 4805 5084 5890 6355 7790 9610 11780 12710 15580 18259 19220 24149 25420 36518 39401 48298 73036 78802 91295 96596 120745 157604 182590 197005 241490 365180 394010 482980 748619 788020 1497238 2994476 3743095 7486190 14972380