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61346879 = 112506999
BaseRepresentation
bin1110101000000…
…1010000111111
311021102202002122
43222001100333
5111201100004
610030513155
71343303606
oct352012077
9137382078
1061346879
11316a0900
12186657bb
13c92c039
14820ca3d
1555bbcbe
hex3a8143f

61346879 has 6 divisors (see below), whose sum is σ = 67431000. Its totient is φ = 55769780.

The previous prime is 61346869. The next prime is 61346881. The reversal of 61346879 is 97864316.

61346879 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 61346879 - 216 = 61281343 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61346849) 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 5 ways as a sum of consecutive naturals, for example, 253379 + ... + 253620.

It is an arithmetic number, because the mean of its divisors is an integer number (11238500).

Almost surely, 261346879 is an apocalyptic number.

61346879 is a deficient number, since it is larger than the sum of its proper divisors (6084121).

61346879 is a wasteful number, since it uses less digits than its factorization.

61346879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 507021 (or 507010 counting only the distinct ones).

The product of its digits is 217728, while the sum is 44.

The square root of 61346879 is about 7832.4248480276. The cubic root of 61346879 is about 394.3944768080.

The spelling of 61346879 in words is "sixty-one million, three hundred forty-six thousand, eight hundred seventy-nine".

Divisors: 1 11 121 506999 5576989 61346879