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770130552 = 23341799907
BaseRepresentation
bin101101111001110…
…100001001111000
31222200010200111210
4231321310021320
53034123134202
6204230323120
725041000402
oct5571641170
91880120453
10770130552
1136579a534
12195ab94a0
13c3725469
14743d1b72
1547926c6c
hex2de74278

770130552 has 64 divisors (see below), whose sum is σ = 1997452800. Its totient is φ = 247253760.

The previous prime is 770130541. The next prime is 770130563. The reversal of 770130552 is 255031077.

It is an interprime number because it is at equal distance from previous prime (770130541) and next prime (770130563).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72783 + ... + 82689.

It is an arithmetic number, because the mean of its divisors is an integer number (31210200).

Almost surely, 2770130552 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 770130552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (998726400).

770130552 is an abundant number, since it is smaller than the sum of its proper divisors (1227322248).

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

770130552 is a wasteful number, since it uses less digits than its factorization.

770130552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10036 (or 10032 counting only the distinct ones).

The product of its (nonzero) digits is 7350, while the sum is 30.

The square root of 770130552 is about 27751.2261350737. The cubic root of 770130552 is about 916.6174431456.

The spelling of 770130552 in words is "seven hundred seventy million, one hundred thirty thousand, five hundred fifty-two".

Divisors: 1 2 3 4 6 8 12 24 41 79 82 123 158 164 237 246 316 328 474 492 632 948 984 1896 3239 6478 9717 9907 12956 19434 19814 25912 29721 38868 39628 59442 77736 79256 118884 237768 406187 782653 812374 1218561 1565306 1624748 2347959 2437122 3130612 3249496 4695918 4874244 6261224 9391836 9748488 18783672 32088773 64177546 96266319 128355092 192532638 256710184 385065276 770130552