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61920502 = 2710940577
BaseRepresentation
bin1110110000110…
…1010011110110
311022111212221221
43230031103312
5111322424002
610051100554
71351213150
oct354152366
9138455857
1061920502
1131a52876
12188a175a
13caa0167
14831bad0
155681c37
hex3b0d4f6

61920502 has 16 divisors (see below), whose sum is σ = 107125920. Its totient is φ = 26293248.

The previous prime is 61920493. The next prime is 61920503. The reversal of 61920502 is 20502916.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61920503) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18763 + ... + 21814.

It is an arithmetic number, because the mean of its divisors is an integer number (6695370).

Almost surely, 261920502 is an apocalyptic number.

61920502 is a deficient number, since it is larger than the sum of its proper divisors (45205418).

61920502 is a wasteful number, since it uses less digits than its factorization.

61920502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40695.

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 61920502 is about 7868.9581267154. The cubic root of 61920502 is about 395.6199249224.

The spelling of 61920502 in words is "sixty-one million, nine hundred twenty thousand, five hundred two".

Divisors: 1 2 7 14 109 218 763 1526 40577 81154 284039 568078 4422893 8845786 30960251 61920502