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61996032 = 210327312
BaseRepresentation
bin1110110001111…
…1110000000000
311022122201120100
43230133300000
5111332333112
610052442400
71351646310
oct354376000
9138581510
1061996032
1131aa459a
1218919400
13cac8657
14833b440
1556992dc
hex3b1fc00

61996032 has 198 divisors, whose sum is σ = 211397784. Its totient is φ = 17141760.

The previous prime is 61996027. The next prime is 61996043. The reversal of 61996032 is 23069916.

61996032 is a `hidden beast` number, since 619 + 9 + 6 + 0 + 32 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1999857 + ... + 1999887.

Almost surely, 261996032 is an apocalyptic number.

61996032 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 61996032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (105698892).

61996032 is an abundant number, since it is smaller than the sum of its proper divisors (149401752).

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

61996032 is a wasteful number, since it uses less digits than its factorization.

61996032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95 (or 43 counting only the distinct ones).

The product of its (nonzero) digits is 17496, while the sum is 36.

The square root of 61996032 is about 7873.7559017282. The cubic root of 61996032 is about 395.7807172858.

The spelling of 61996032 in words is "sixty-one million, nine hundred ninety-six thousand, thirty-two".