Search a number
-
+
57804107 = 163735311
BaseRepresentation
bin1101110010000…
…0010101001011
311000202202022212
43130200111023
5104244212412
65422535335
71301220044
oct334402513
9130682285
1057804107
112a6a1099
121743754b
13bc8b61a
1479698cb
15511c222
hex372054b

57804107 has 4 divisors (see below), whose sum is σ = 57841056. Its totient is φ = 57767160.

The previous prime is 57804059. The next prime is 57804113. The reversal of 57804107 is 70140875.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 57804107 - 212 = 57800011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57804007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16019 + ... + 19292.

It is an arithmetic number, because the mean of its divisors is an integer number (14460264).

Almost surely, 257804107 is an apocalyptic number.

57804107 is a deficient number, since it is larger than the sum of its proper divisors (36949).

57804107 is a wasteful number, since it uses less digits than its factorization.

57804107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36948.

The product of its (nonzero) digits is 7840, while the sum is 32.

The square root of 57804107 is about 7602.9012225597. The cubic root of 57804107 is about 386.6513807704.

The spelling of 57804107 in words is "fifty-seven million, eight hundred four thousand, one hundred seven".

Divisors: 1 1637 35311 57804107