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61082060 = 22513234931
BaseRepresentation
bin1110100100000…
…0100111001100
311020221021211112
43221000213030
5111114111220
610021111152
71341121544
oct351004714
9136837745
1061082060
113152a946
12185584b8
13c868640
148180324
1555685c5
hex3a409cc

61082060 has 24 divisors (see below), whose sum is σ = 138140016. Its totient is φ = 22553280.

The previous prime is 61082053. The next prime is 61082069. The reversal of 61082060 is 6028016.

It is not an unprimeable number, because it can be changed into a prime (61082069) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 117206 + ... + 117725.

It is an arithmetic number, because the mean of its divisors is an integer number (5755834).

Almost surely, 261082060 is an apocalyptic number.

It is an amenable number.

61082060 is an abundant number, since it is smaller than the sum of its proper divisors (77057956).

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

61082060 is a wasteful number, since it uses less digits than its factorization.

61082060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234953 (or 234951 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 61082060 is about 7815.5012635147. The cubic root of 61082060 is about 393.8261577724.

The spelling of 61082060 in words is "sixty-one million, eighty-two thousand, sixty".

Divisors: 1 2 4 5 10 13 20 26 52 65 130 260 234931 469862 939724 1174655 2349310 3054103 4698620 6108206 12216412 15270515 30541030 61082060