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61880732 = 22131118093
BaseRepresentation
bin1110110000001…
…1100110011100
311022102212101222
43230003212130
5111320140412
610050152512
71350656204
oct354034634
9138385358
1061880732
1131a25a01
1218882738
13ca88024
14830b404
155675072
hex3b0399c

61880732 has 12 divisors (see below), whose sum is σ = 109118856. Its totient is φ = 30703920.

The previous prime is 61880723. The next prime is 61880747. The reversal of 61880732 is 23708816.

61880732 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 61880692 and 61880701.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 58523 + ... + 59570.

It is an arithmetic number, because the mean of its divisors is an integer number (9093238).

Almost surely, 261880732 is an apocalyptic number.

It is an amenable number.

61880732 is a deficient number, since it is larger than the sum of its proper divisors (47238124).

61880732 is a wasteful number, since it uses less digits than its factorization.

61880732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118228 (or 118226 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 35.

The square root of 61880732 is about 7866.4307026758. The cubic root of 61880732 is about 395.5352078331.

The spelling of 61880732 in words is "sixty-one million, eight hundred eighty thousand, seven hundred thirty-two".

Divisors: 1 2 4 131 262 524 118093 236186 472372 15470183 30940366 61880732