Search a number
-
+
57482217 = 341379691
BaseRepresentation
bin1101101101000…
…1101111101001
311000011101210000
43123101233221
5104203412332
65412013213
71265406432
oct333215751
9130141700
1057482217
112a4a1271
1217301209
13bba7c60
1478c4489
1550a6b7c
hex36d1be9

57482217 has 40 divisors (see below), whose sum is σ = 93779840. Its totient is φ = 34875360.

The previous prime is 57482213. The next prime is 57482233. The reversal of 57482217 is 71228475.

57482217 is a `hidden beast` number, since 574 + 82 + 2 + 1 + 7 = 666.

It is not a de Polignac number, because 57482217 - 22 = 57482213 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57482213) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 82842 + ... + 83532.

It is an arithmetic number, because the mean of its divisors is an integer number (2344496).

Almost surely, 257482217 is an apocalyptic number.

It is an amenable number.

57482217 is a deficient number, since it is larger than the sum of its proper divisors (36297623).

57482217 is a wasteful number, since it uses less digits than its factorization.

57482217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 795 (or 786 counting only the distinct ones).

The product of its digits is 31360, while the sum is 36.

The square root of 57482217 is about 7581.7027770811. The cubic root of 57482217 is about 385.9323375544.

The spelling of 57482217 in words is "fifty-seven million, four hundred eighty-two thousand, two hundred seventeen".

Divisors: 1 3 9 13 27 39 79 81 117 237 351 691 711 1027 1053 2073 2133 3081 6219 6399 8983 9243 18657 26949 27729 54589 55971 80847 83187 163767 242541 491301 709657 727623 1473903 2128971 4421709 6386913 19160739 57482217