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61886496 = 25371937131
BaseRepresentation
bin1110110000010…
…1000000100000
311022110011022110
43230011000200
5111320331441
610050235320
71351012050
oct354050040
9138404273
1061886496
1131a2a271
1218885b40
13ca8a839
14830d560
155676b16
hex3b05020

61886496 has 192 divisors, whose sum is σ = 202245120. Its totient is φ = 16174080.

The previous prime is 61886471. The next prime is 61886497. The reversal of 61886496 is 69468816.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (61886497) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 472351 + ... + 472481.

It is an arithmetic number, because the mean of its divisors is an integer number (1053360).

Almost surely, 261886496 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 61886496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (101122560).

61886496 is an abundant number, since it is smaller than the sum of its proper divisors (140358624).

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

61886496 is a wasteful number, since it uses less digits than its factorization.

61886496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207 (or 199 counting only the distinct ones).

The product of its digits is 497664, while the sum is 48.

The square root of 61886496 is about 7866.7970610662. The cubic root of 61886496 is about 395.5474884148.

The spelling of 61886496 in words is "sixty-one million, eight hundred eighty-six thousand, four hundred ninety-six".