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125450739 = 3243132341
BaseRepresentation
bin1110111101000…
…11100111110011
322202001120001200
413132203213303
5224103410424
620240502243
73052212411
oct736434763
9282046050
10125450739
11648a4aa7
123601a983
131ccb4c0b
14129382b1
15b0308c9
hex77a39f3

125450739 has 12 divisors (see below), whose sum is σ = 181632672. Its totient is φ = 83437200.

The previous prime is 125450729. The next prime is 125450747. The reversal of 125450739 is 937054521.

It is a de Polignac number, because none of the positive numbers 2k-125450739 is a prime.

It is a super-2 number, since 2×1254507392 = 31475775831292242, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (125450729) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12292 + ... + 20049.

It is an arithmetic number, because the mean of its divisors is an integer number (15136056).

Almost surely, 2125450739 is an apocalyptic number.

125450739 is a deficient number, since it is larger than the sum of its proper divisors (56181933).

125450739 is a wasteful number, since it uses less digits than its factorization.

125450739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32778 (or 32775 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 36.

The square root of 125450739 is about 11200.4794093824. The cubic root of 125450739 is about 500.6002644102.

The spelling of 125450739 in words is "one hundred twenty-five million, four hundred fifty thousand, seven hundred thirty-nine".

Divisors: 1 3 9 431 1293 3879 32341 97023 291069 13938971 41816913 125450739