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461161057 = 7172257887
BaseRepresentation
bin11011011111001…
…100001001100001
31012010202102001011
4123133030021201
51421024123212
6113432140521
714266542610
oct3337141141
91163672034
10461161057
1121734a145
1210a537741
1374706b86
1445365877
152a7454a7
hex1b7cc261

461161057 has 24 divisors (see below), whose sum is σ = 562679424. Its totient is φ = 370163712.

The previous prime is 461161009. The next prime is 461161061. The reversal of 461161057 is 750161164.

It is a de Polignac number, because none of the positive numbers 2k-461161057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (461161087) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 519468 + ... + 520354.

It is an arithmetic number, because the mean of its divisors is an integer number (23444976).

Almost surely, 2461161057 is an apocalyptic number.

It is an amenable number.

461161057 is a deficient number, since it is larger than the sum of its proper divisors (101518367).

461161057 is a wasteful number, since it uses less digits than its factorization.

461161057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1185 (or 1168 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 31.

The square root of 461161057 is about 21474.6608122224. The cubic root of 461161057 is about 772.5931892200.

The spelling of 461161057 in words is "four hundred sixty-one million, one hundred sixty-one thousand, fifty-seven".

Divisors: 1 7 17 119 257 289 887 1799 2023 4369 6209 15079 30583 74273 105553 227959 256343 519911 1595713 1794401 3875303 27127121 65880151 461161057