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125264381 = 1117669863
BaseRepresentation
bin1110111011101…
…10000111111101
322201201002102112
413131312013331
5224031430011
620232503405
73050505164
oct735660775
9281632375
10125264381
1164787a90
1235b4ab65
131cc4b148
14128ca3db
15aee558b
hex77761fd

125264381 has 8 divisors (see below), whose sum is σ = 144690624. Its totient is φ = 107177920.

The previous prime is 125264333. The next prime is 125264383. The reversal of 125264381 is 183462521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 125264381 - 26 = 125264317 is a prime.

It is a super-2 number, since 2×1252643812 = 31382330294626322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125264383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 334745 + ... + 335118.

It is an arithmetic number, because the mean of its divisors is an integer number (18086328).

Almost surely, 2125264381 is an apocalyptic number.

125264381 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

125264381 is a deficient number, since it is larger than the sum of its proper divisors (19426243).

125264381 is a wasteful number, since it uses less digits than its factorization.

125264381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 669891.

The product of its digits is 11520, while the sum is 32.

The square root of 125264381 is about 11192.1571200551. The cubic root of 125264381 is about 500.3522597678.

The spelling of 125264381 in words is "one hundred twenty-five million, two hundred sixty-four thousand, three hundred eighty-one".

Divisors: 1 11 17 187 669863 7368493 11387671 125264381