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125870864 = 2474492503
BaseRepresentation
bin1111000000010…
…10001100010000
322202211220100212
413200022030100
5224210331424
620253503252
73055612310
oct740121420
9282756325
10125870864
1165061709
12361a1b28
1320101202
1412a07440
15b0b510e
hex780a310

125870864 has 40 divisors (see below), whose sum is σ = 279446400. Its totient is φ = 53803008.

The previous prime is 125870837. The next prime is 125870867. The reversal of 125870864 is 468078521.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125870867) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49037 + ... + 51539.

It is an arithmetic number, because the mean of its divisors is an integer number (6986160).

Almost surely, 2125870864 is an apocalyptic number.

125870864 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

125870864 is an abundant number, since it is smaller than the sum of its proper divisors (153575536).

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

125870864 is a wasteful number, since it uses less digits than its factorization.

125870864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2967 (or 2961 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 41.

The square root of 125870864 is about 11219.2185111085. The cubic root of 125870864 is about 501.1584658408.

The spelling of 125870864 in words is "one hundred twenty-five million, eight hundred seventy thousand, eight hundred sixty-four".

Divisors: 1 2 4 7 8 14 16 28 56 112 449 898 1796 2503 3143 3592 5006 6286 7184 10012 12572 17521 20024 25144 35042 40048 50288 70084 140168 280336 1123847 2247694 4495388 7866929 8990776 15733858 17981552 31467716 62935432 125870864