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977630130 = 232510862557
BaseRepresentation
bin111010010001010…
…111001110110010
32112010120202102100
4322101113032302
54000233131010
6241002001230
733140501421
oct7221271662
92463522370
10977630130
11461934a94
122334a6216
13127707189
1493ba72b8
155ac632c0
hex3a4573b2

977630130 has 24 divisors (see below), whose sum is σ = 2541838572. Its totient is φ = 260701344.

The previous prime is 977630119. The next prime is 977630131. The reversal of 977630130 is 31036779.

977630130 is a `hidden beast` number, since 9 + 7 + 7 + 630 + 13 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 956479329 + 21150801 = 30927^2 + 4599^2 .

It is not an unprimeable number, because it can be changed into a prime (977630131) 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, 5431189 + ... + 5431368.

Almost surely, 2977630130 is an apocalyptic number.

977630130 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

977630130 is an abundant number, since it is smaller than the sum of its proper divisors (1564208442).

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

977630130 is a wasteful number, since it uses less digits than its factorization.

977630130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10862570 (or 10862567 counting only the distinct ones).

The product of its (nonzero) digits is 23814, while the sum is 36.

The square root of 977630130 is about 31267.0774137910. The cubic root of 977630130 is about 992.4870739624.

The spelling of 977630130 in words is "nine hundred seventy-seven million, six hundred thirty thousand, one hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 10862557 21725114 32587671 54312785 65175342 97763013 108625570 162938355 195526026 325876710 488815065 977630130