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260550431 = 5917924671
BaseRepresentation
bin11111000011110…
…10111100011111
3200011021022222222
433201322330133
51013200103211
641504255555
76312433151
oct1741727437
9604238888
10260550431
1112408a439
12733115bb
1341c9796b
1426864ad1
1517d1a1db
hexf87af1f

260550431 has 8 divisors (see below), whose sum is σ = 266457600. Its totient is φ = 254693080.

The previous prime is 260550421. The next prime is 260550461. The reversal of 260550431 is 134055062.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-260550431 is a prime.

It is a super-2 number, since 2×2605504312 = 135773054188571522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 260550431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (260550421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1775 + ... + 22896.

It is an arithmetic number, because the mean of its divisors is an integer number (33307200).

Almost surely, 2260550431 is an apocalyptic number.

260550431 is a deficient number, since it is larger than the sum of its proper divisors (5907169).

260550431 is a wasteful number, since it uses less digits than its factorization.

260550431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24909.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 260550431 is about 16141.5746134013. The cubic root of 260550431 is about 638.7005134742.

The spelling of 260550431 in words is "two hundred sixty million, five hundred fifty thousand, four hundred thirty-one".

Divisors: 1 59 179 10561 24671 1455589 4416109 260550431