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61880828 = 2227975531
BaseRepresentation
bin1110110000001…
…1100111111100
311022102212112112
43230003213330
5111320141303
610050153152
71350656402
oct354034774
9138385475
1061880828
1131a25a89
12188827b8
13ca88099
14830b472
1556750d8
hex3b039fc

61880828 has 12 divisors (see below), whose sum is σ = 108349752. Its totient is φ = 30923760.

The previous prime is 61880821. The next prime is 61880869. The reversal of 61880828 is 82808816.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61880821) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8423 + ... + 13953.

It is an arithmetic number, because the mean of its divisors is an integer number (9029146).

Almost surely, 261880828 is an apocalyptic number.

It is an amenable number.

61880828 is a deficient number, since it is larger than the sum of its proper divisors (46468924).

61880828 is a wasteful number, since it uses less digits than its factorization.

61880828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8332 (or 8330 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 41.

The square root of 61880828 is about 7866.4368045513. The cubic root of 61880828 is about 395.5354123737.

The spelling of 61880828 in words is "sixty-one million, eight hundred eighty thousand, eight hundred twenty-eight".

Divisors: 1 2 4 2797 5531 5594 11062 11188 22124 15470207 30940414 61880828