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260752131 = 3273396883
BaseRepresentation
bin11111000101011…
…00001100000011
3200011122120200100
433202230030003
51013223032011
641512453443
76314233203
oct1742541403
9604576610
10260752131
11124207a32
12733aa283
1342038703
14268b8403
1517d59d56
hexf8ac303

260752131 has 12 divisors (see below), whose sum is σ = 381802408. Its totient is φ = 171453024.

The previous prime is 260752123. The next prime is 260752147. The reversal of 260752131 is 131257062.

It is a happy number.

260752131 is a `hidden beast` number, since 2 + 607 + 5 + 21 + 31 = 666.

It is not a de Polignac number, because 260752131 - 23 = 260752123 is a prime.

It is a super-2 number, since 2×2607521312 = 135983347642082322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 260752095 and 260752104.

It is not an unprimeable number, because it can be changed into a prime (260752031) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 197785 + ... + 199098.

Almost surely, 2260752131 is an apocalyptic number.

260752131 is a deficient number, since it is larger than the sum of its proper divisors (121050277).

260752131 is a wasteful number, since it uses less digits than its factorization.

260752131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 396962 (or 396959 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 260752131 is about 16147.8212462239. The cubic root of 260752131 is about 638.8652834507.

The spelling of 260752131 in words is "two hundred sixty million, seven hundred fifty-two thousand, one hundred thirty-one".

Divisors: 1 3 9 73 219 657 396883 1190649 3571947 28972459 86917377 260752131