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125920896 = 273476977
BaseRepresentation
bin1111000000101…
…10011010000000
322202221102222220
413200112122000
5224213432041
620254531040
73056211213
oct740263200
9282842886
10125920896
1165096262
1236206a80
132011ac0a
1412a1b77a
15b0c4d66
hex7816680

125920896 has 64 divisors (see below), whose sum is σ = 341642880. Its totient is φ = 41074688.

The previous prime is 125920891. The next prime is 125920903. The reversal of 125920896 is 698029521.

It is a tau number, because it is divible by the number of its divisors (64).

It is not an unprimeable number, because it can be changed into a prime (125920891) 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, 14560 + ... + 21536.

It is an arithmetic number, because the mean of its divisors is an integer number (5338170).

Almost surely, 2125920896 is an apocalyptic number.

125920896 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 125920896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (170821440).

125920896 is an abundant number, since it is smaller than the sum of its proper divisors (215721984).

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

125920896 is an equidigital number, since it uses as much as digits as its factorization.

125920896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7041 (or 7029 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 42.

The square root of 125920896 is about 11221.4480349017. The cubic root of 125920896 is about 501.2248583273.

It can be divided in two parts, 1259 and 20896, that added together give a triangular number (22155 = T210).

The spelling of 125920896 in words is "one hundred twenty-five million, nine hundred twenty thousand, eight hundred ninety-six".

Divisors: 1 2 3 4 6 8 12 16 24 32 47 48 64 94 96 128 141 188 192 282 376 384 564 752 1128 1504 2256 3008 4512 6016 6977 9024 13954 18048 20931 27908 41862 55816 83724 111632 167448 223264 327919 334896 446528 655838 669792 893056 983757 1311676 1339584 1967514 2623352 2679168 3935028 5246704 7870056 10493408 15740112 20986816 31480224 41973632 62960448 125920896