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125201272 = 2372319391
BaseRepresentation
bin1110111011001…
…10101101111000
322201120212212011
413131212231320
5224022420042
620231255304
73050123200
oct735465570
9281525764
10125201272
1164744629
1235b1a534
131cc284c1
14128b1400
15aed1a17
hex7766b78

125201272 has 24 divisors (see below), whose sum is σ = 273080160. Its totient is φ = 53657520.

The previous prime is 125201269. The next prime is 125201291. The reversal of 125201272 is 272102521.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 159304 + ... + 160087.

It is an arithmetic number, because the mean of its divisors is an integer number (11378340).

Almost surely, 2125201272 is an apocalyptic number.

It is an amenable number.

125201272 is an abundant number, since it is smaller than the sum of its proper divisors (147878888).

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

125201272 is a wasteful number, since it uses less digits than its factorization.

125201272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319411 (or 319400 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 22.

The square root of 125201272 is about 11189.3374245306. The cubic root of 125201272 is about 500.2682187583.

Adding to 125201272 its reverse (272102521), we get a palindrome (397303793).

The spelling of 125201272 in words is "one hundred twenty-five million, two hundred one thousand, two hundred seventy-two".

Divisors: 1 2 4 7 8 14 28 49 56 98 196 392 319391 638782 1277564 2235737 2555128 4471474 8942948 15650159 17885896 31300318 62600636 125201272