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61265263 = 174677717
BaseRepresentation
bin1110100110110…
…1010101101111
311021021121010211
43221231111233
5111140442023
610025043251
71342513633
oct351552557
9137247124
1061265263
1131645554
1218626527
13c900b47
1481cadc3
1555a2a0d
hex3a6d56f

61265263 has 8 divisors (see below), whose sum is σ = 65016432. Its totient is φ = 57530496.

The previous prime is 61265251. The next prime is 61265273. The reversal of 61265263 is 36256216.

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

It is a cyclic number.

It is not a de Polignac number, because 61265263 - 25 = 61265231 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61265203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4081 + ... + 11797.

It is an arithmetic number, because the mean of its divisors is an integer number (8127054).

Almost surely, 261265263 is an apocalyptic number.

61265263 is a deficient number, since it is larger than the sum of its proper divisors (3751169).

61265263 is a wasteful number, since it uses less digits than its factorization.

61265263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8201.

The product of its digits is 12960, while the sum is 31.

The square root of 61265263 is about 7827.2129778102. The cubic root of 61265263 is about 394.2194981433.

The spelling of 61265263 in words is "sixty-one million, two hundred sixty-five thousand, two hundred sixty-three".

Divisors: 1 17 467 7717 7939 131189 3603839 61265263