Search a number
-
+
47425838 = 2137173087
BaseRepresentation
bin1011010011101…
…0100100101110
310022020111000112
42310322210232
544120111323
64412300022
71114053515
oct264724456
9108214015
1047425838
1124852809
1213a71612
139a96835
14642767c
15426c178
hex2d3a92e

47425838 has 8 divisors (see below), whose sum is σ = 71658432. Its totient is φ = 23539696.

The previous prime is 47425783. The next prime is 47425841. The reversal of 47425838 is 83852474.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×474258382 = 4498420220004488, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 47425795 and 47425804.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 86270 + ... + 86817.

It is an arithmetic number, because the mean of its divisors is an integer number (8957304).

Almost surely, 247425838 is an apocalyptic number.

47425838 is a deficient number, since it is larger than the sum of its proper divisors (24232594).

47425838 is a wasteful number, since it uses less digits than its factorization.

47425838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173226.

The product of its digits is 215040, while the sum is 41.

The square root of 47425838 is about 6886.6419973743. The cubic root of 47425838 is about 361.9692443575.

The spelling of 47425838 in words is "forty-seven million, four hundred twenty-five thousand, eight hundred thirty-eight".

Divisors: 1 2 137 274 173087 346174 23712919 47425838