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260342540 = 22513017127
BaseRepresentation
bin11111000010010…
…00001100001100
3200010212202211022
433201020030030
51013121430130
641500013312
76310606103
oct1741101414
9603782738
10260342540
11123a58227
1273231238
1341c24153
142680d03a
1517cc87e5
hexf84830c

260342540 has 12 divisors (see below), whose sum is σ = 546719376. Its totient is φ = 104137008.

The previous prime is 260342527. The next prime is 260342603. The reversal of 260342540 is 45243062.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6508544 + ... + 6508583.

It is an arithmetic number, because the mean of its divisors is an integer number (45559948).

Almost surely, 2260342540 is an apocalyptic number.

260342540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

260342540 is an abundant number, since it is smaller than the sum of its proper divisors (286376836).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

260342540 is a wasteful number, since it uses less digits than its factorization.

260342540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13017136 (or 13017134 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 260342540 is about 16135.1337149712. The cubic root of 260342540 is about 638.5305970166.

The spelling of 260342540 in words is "two hundred sixty million, three hundred forty-two thousand, five hundred forty".

Divisors: 1 2 4 5 10 20 13017127 26034254 52068508 65085635 130171270 260342540