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57486996 = 2235721771
BaseRepresentation
bin1101101101001…
…0111010010100
311000011122100000
43123102322110
5104204040441
65412051300
71265426400
oct333227224
9130148300
1057486996
112a4a4916
1217303b30
13bbaa198
1478c6100
1550a82b6
hex36d2e94

57486996 has 216 divisors, whose sum is σ = 188225856. Its totient is φ = 15240960.

The previous prime is 57486983. The next prime is 57486997. The reversal of 57486996 is 69968475.

57486996 is a `hidden beast` number, since 574 + 8 + 69 + 9 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57486997) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 809641 + ... + 809711.

It is an arithmetic number, because the mean of its divisors is an integer number (871416).

Almost surely, 257486996 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 57486996, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94112928).

57486996 is an abundant number, since it is smaller than the sum of its proper divisors (130738860).

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

57486996 is a wasteful number, since it uses less digits than its factorization.

57486996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121 (or 100 counting only the distinct ones).

The product of its digits is 3265920, while the sum is 54.

The square root of 57486996 is about 7582.0179371985. The cubic root of 57486996 is about 385.9430325694.

The spelling of 57486996 in words is "fifty-seven million, four hundred eighty-six thousand, nine hundred ninety-six".