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57467982 = 23112136089
BaseRepresentation
bin1101101100111…
…0010001001110
311000010200020210
43123032101032
5104202433412
65411423250
71265320065
oct333162116
9130120223
1057467982
112a491600
12172b4b26
13bba1630
1478bd1dc
1550a283c
hex36ce44e

57467982 has 48 divisors (see below), whose sum is σ = 136074960. Its totient is φ = 16072320.

The previous prime is 57467929. The next prime is 57467983. The reversal of 57467982 is 28976475.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57467983) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6394 + ... + 12482.

It is an arithmetic number, because the mean of its divisors is an integer number (2834895).

Almost surely, 257467982 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 57467982, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68037480).

57467982 is an abundant number, since it is smaller than the sum of its proper divisors (78606978).

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

57467982 is a wasteful number, since it uses less digits than its factorization.

57467982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6129 (or 6118 counting only the distinct ones).

The product of its digits is 846720, while the sum is 48.

The square root of 57467982 is about 7580.7639456720. The cubic root of 57467982 is about 385.9004772639.

The spelling of 57467982 in words is "fifty-seven million, four hundred sixty-seven thousand, nine hundred eighty-two".

Divisors: 1 2 3 6 11 13 22 26 33 39 66 78 121 143 242 286 363 429 726 858 1573 3146 4719 6089 9438 12178 18267 36534 66979 79157 133958 158314 200937 237471 401874 474942 736769 870727 1473538 1741454 2210307 2612181 4420614 5224362 9577997 19155994 28733991 57467982