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125137272 = 233131723593
BaseRepresentation
bin1110111010101…
…11000101111000
322201110122001210
413131113011320
5224013343042
620230043120
73046435461
oct735270570
9281418053
10125137272
1164700537
1235aa94a0
131cc05330
1412895d68
15aebca9c
hex7757178

125137272 has 64 divisors (see below), whose sum is σ = 356741280. Its totient is φ = 36237312.

The previous prime is 125137261. The next prime is 125137277. The reversal of 125137272 is 272731521.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125137277) 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, 6493 + ... + 17100.

Almost surely, 2125137272 is an apocalyptic number.

125137272 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

125137272 is an abundant number, since it is smaller than the sum of its proper divisors (231604008).

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

125137272 is a wasteful number, since it uses less digits than its factorization.

125137272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23632 (or 23628 counting only the distinct ones).

The product of its digits is 5880, while the sum is 30.

The square root of 125137272 is about 11186.4771934689. The cubic root of 125137272 is about 500.1829623747.

Adding to 125137272 its reverse (272731521), we get a palindrome (397868793).

The spelling of 125137272 in words is "one hundred twenty-five million, one hundred thirty-seven thousand, two hundred seventy-two".

Divisors: 1 2 3 4 6 8 12 13 17 24 26 34 39 51 52 68 78 102 104 136 156 204 221 312 408 442 663 884 1326 1768 2652 5304 23593 47186 70779 94372 141558 188744 283116 306709 401081 566232 613418 802162 920127 1203243 1226836 1604324 1840254 2406486 2453672 3208648 3680508 4812972 5214053 7361016 9625944 10428106 15642159 20856212 31284318 41712424 62568636 125137272