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61922672 = 2472194157
BaseRepresentation
bin1110110000110…
…1110101110000
311022111222221022
43230031311300
5111323011142
610051115012
71351222400
oct354156560
9138458838
1061922672
1131a54469
12188a2a68
13caa1146
14831c800
1556826d2
hex3b0dd70

61922672 has 60 divisors (see below), whose sum is σ = 146943720. Its totient is φ = 25135488.

The previous prime is 61922639. The next prime is 61922689. The reversal of 61922672 is 27622916.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12818 + ... + 16974.

It is an arithmetic number, because the mean of its divisors is an integer number (2449062).

Almost surely, 261922672 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 61922672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73471860).

61922672 is an abundant number, since it is smaller than the sum of its proper divisors (85021048).

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

61922672 is a wasteful number, since it uses less digits than its factorization.

61922672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4198 (or 4185 counting only the distinct ones).

The product of its digits is 18144, while the sum is 35.

The square root of 61922672 is about 7869.0960090725. The cubic root of 61922672 is about 395.6245463600.

The spelling of 61922672 in words is "sixty-one million, nine hundred twenty-two thousand, six hundred seventy-two".

Divisors: 1 2 4 7 8 14 16 19 28 38 49 56 76 98 112 133 152 196 266 304 392 532 784 931 1064 1862 2128 3724 4157 7448 8314 14896 16628 29099 33256 58198 66512 78983 116396 157966 203693 232792 315932 407386 465584 552881 631864 814772 1105762 1263728 1629544 2211524 3259088 3870167 4423048 7740334 8846096 15480668 30961336 61922672