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125820328 = 2329218701
BaseRepresentation
bin1110111111111…
…01110110101000
322202202100001011
413133331312220
5224202222303
620252433304
73055312054
oct737756650
9282670034
10125820328
1165027747
1236178834
13200b41ca
14129d2c64
15b0a516d
hex77fdda8

125820328 has 24 divisors (see below), whose sum is σ = 244341630. Its totient is φ = 60737600.

The previous prime is 125820301. The next prime is 125820341. The reversal of 125820328 is 823028521.

It can be written as a sum of positive squares in 3 ways, for example, as 91738084 + 34082244 = 9578^2 + 5838^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 125820328.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 2623 + ... + 16078.

Almost surely, 2125820328 is an apocalyptic number.

It is an amenable number.

125820328 is a deficient number, since it is larger than the sum of its proper divisors (118521302).

125820328 is a wasteful number, since it uses less digits than its factorization.

125820328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18765 (or 18732 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 31.

The square root of 125820328 is about 11216.9660782228. The cubic root of 125820328 is about 501.0913866836.

Adding to 125820328 its reverse (823028521), we get a palindrome (948848849).

The spelling of 125820328 in words is "one hundred twenty-five million, eight hundred twenty thousand, three hundred twenty-eight".

Divisors: 1 2 4 8 29 58 116 232 841 1682 3364 6728 18701 37402 74804 149608 542329 1084658 2169316 4338632 15727541 31455082 62910164 125820328