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125137284 = 22310428107
BaseRepresentation
bin1110111010101…
…11000110000100
322201110122002020
413131113012010
5224013343114
620230043140
73046435506
oct735270604
9281418066
10125137284
1164700548
1235aa94b0
131cc0533c
1412895d76
15aebcaa9
hex7757184

125137284 has 12 divisors (see below), whose sum is σ = 291987024. Its totient is φ = 41712424.

The previous prime is 125137277. The next prime is 125137339. The reversal of 125137284 is 482731521.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5214042 + ... + 5214065.

It is an arithmetic number, because the mean of its divisors is an integer number (24332252).

Almost surely, 2125137284 is an apocalyptic number.

It is an amenable number.

125137284 is an abundant number, since it is smaller than the sum of its proper divisors (166849740).

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

125137284 is a wasteful number, since it uses less digits than its factorization.

125137284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10428114 (or 10428112 counting only the distinct ones).

The product of its digits is 13440, while the sum is 33.

The square root of 125137284 is about 11186.4777298308. The cubic root of 125137284 is about 500.1829783630.

The spelling of 125137284 in words is "one hundred twenty-five million, one hundred thirty-seven thousand, two hundred eighty-four".

Divisors: 1 2 3 4 6 12 10428107 20856214 31284321 41712428 62568642 125137284