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125220232 = 23172411321
BaseRepresentation
bin1110111011010…
…11010110001000
322201121211212101
413131223112020
5224024021412
620231523144
73050232364
oct735532610
9281554771
10125220232
11647578a5
1235b294b4
131cc34017
14128b82a4
15aed7457
hex776b588

125220232 has 48 divisors (see below), whose sum is σ = 255688020. Its totient is φ = 57446400.

The previous prime is 125220229. The next prime is 125220239. The reversal of 125220232 is 232022521.

It can be written as a sum of positive squares in 6 ways, for example, as 94595076 + 30625156 = 9726^2 + 5534^2 .

It is not an unprimeable number, because it can be changed into a prime (125220239) 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, 94132 + ... + 95452.

Almost surely, 2125220232 is an apocalyptic number.

It is an amenable number.

125220232 is an abundant number, since it is smaller than the sum of its proper divisors (130467788).

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

125220232 is a wasteful number, since it uses less digits than its factorization.

125220232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1402 (or 1381 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 125220232 is about 11190.1846276100. The cubic root of 125220232 is about 500.2934703832.

Adding to 125220232 its reverse (232022521), we get a palindrome (357242753).

The spelling of 125220232 in words is "one hundred twenty-five million, two hundred twenty thousand, two hundred thirty-two".

Divisors: 1 2 4 8 17 34 41 68 82 136 164 289 328 578 697 1156 1321 1394 2312 2642 2788 5284 5576 10568 11849 22457 23698 44914 47396 54161 89828 94792 108322 179656 216644 381769 433288 763538 920737 1527076 1841474 3054152 3682948 7365896 15652529 31305058 62610116 125220232