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531105970 = 2553110597
BaseRepresentation
bin11111101010000…
…000100010110010
31101000100222102111
4133222000202302
52041430342340
6124411235534
716106216623
oct3752004262
91330328374
10531105970
1125288285a
12129a48baa
13860565b5
1450771a4a
153195eaea
hex1fa808b2

531105970 has 8 divisors (see below), whose sum is σ = 955990764. Its totient is φ = 212442384.

The previous prime is 531105941. The next prime is 531105983. The reversal of 531105970 is 79501135.

It can be written as a sum of positive squares in 2 ways, for example, as 526564809 + 4541161 = 22947^2 + 2131^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26555289 + ... + 26555308.

Almost surely, 2531105970 is an apocalyptic number.

531105970 is a deficient number, since it is larger than the sum of its proper divisors (424884794).

531105970 is a wasteful number, since it uses less digits than its factorization.

531105970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53110604.

The product of its (nonzero) digits is 4725, while the sum is 31.

The square root of 531105970 is about 23045.7364820480. The cubic root of 531105970 is about 809.8297513450.

The spelling of 531105970 in words is "five hundred thirty-one million, one hundred five thousand, nine hundred seventy".

Divisors: 1 2 5 10 53110597 106221194 265552985 531105970