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630692271 = 331111871789
BaseRepresentation
bin100101100101111…
…001100110101111
31121221202111011000
4211211321212233
52242424123041
6142325531343
721425536656
oct4545714657
91557674130
10630692271
112a4011490
12157273b53
13a08839c1
145da9619d
153a581bb6
hex259799af

630692271 has 32 divisors (see below), whose sum is σ = 1020729600. Its totient is φ = 381702240.

The previous prime is 630692263. The next prime is 630692317. The reversal of 630692271 is 172296036.

It is not a de Polignac number, because 630692271 - 23 = 630692263 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (630692221) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 351645 + ... + 353433.

It is an arithmetic number, because the mean of its divisors is an integer number (31897800).

Almost surely, 2630692271 is an apocalyptic number.

630692271 is a deficient number, since it is larger than the sum of its proper divisors (390037329).

630692271 is a wasteful number, since it uses less digits than its factorization.

630692271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2996 (or 2990 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 630692271 is about 25113.5873781505. The cubic root of 630692271 is about 857.5757719906.

The spelling of 630692271 in words is "six hundred thirty million, six hundred ninety-two thousand, two hundred seventy-one".

Divisors: 1 3 9 11 27 33 99 297 1187 1789 3561 5367 10683 13057 16101 19679 32049 39171 48303 59037 117513 177111 352539 531333 2123543 6370629 19111887 23358973 57335661 70076919 210230757 630692271