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29408925 = 35271331139
BaseRepresentation
bin111000000101…
…1111010011101
32001100010110110
41300023322131
530012041200
62530200233
7504654210
oct160137235
961303413
1029408925
11156673a7
129a23079
136128c40
143c97777
1528adb50
hex1c0be9d

29408925 has 96 divisors (see below), whose sum is σ = 62218240. Its totient is φ = 11923200.

The previous prime is 29408909. The next prime is 29408957. The reversal of 29408925 is 52980492.

It is not a de Polignac number, because 29408925 - 24 = 29408909 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 211506 + ... + 211644.

Almost surely, 229408925 is an apocalyptic number.

29408925 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

29408925 is an abundant number, since it is smaller than the sum of its proper divisors (32809315).

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

29408925 is a wasteful number, since it uses less digits than its factorization.

29408925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203 (or 198 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 39.

The square root of 29408925 is about 5422.9996312004. Note that the first 3 decimals coincide. The cubic root of 29408925 is about 308.6690248617.

The spelling of 29408925 in words is "twenty-nine million, four hundred eight thousand, nine hundred twenty-five".

Divisors: 1 3 5 7 13 15 21 25 31 35 39 65 75 91 93 105 139 155 175 195 217 273 325 403 417 455 465 525 651 695 775 973 975 1085 1209 1365 1807 2015 2085 2275 2325 2821 2919 3255 3475 4309 4865 5421 5425 6045 6825 8463 9035 10075 10425 12649 12927 14105 14595 16275 21545 24325 27105 30163 30225 37947 42315 45175 56017 63245 64635 70525 72975 90489 107725 135525 150815 168051 189735 211575 280085 316225 323175 392119 452445 754075 840255 948675 1176357 1400425 1960595 2262225 4201275 5881785 9802975 29408925