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470372838 = 23136030421
BaseRepresentation
bin11100000010010…
…101000111100110
31012210002102020020
4130002111013212
51430403412323
6114401420010
714441050245
oct3402250746
91183072206
10470372838
11221571091
1211163a606
13765b0a30
144668295c
152b464ae3
hex1c0951e6

470372838 has 16 divisors (see below), whose sum is σ = 1013110896. Its totient is φ = 144730080.

The previous prime is 470372809. The next prime is 470372843. The reversal of 470372838 is 838273074.

It is a self number, because there is not a number n which added to its sum of digits gives 470372838.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3015133 + ... + 3015288.

It is an arithmetic number, because the mean of its divisors is an integer number (63319431).

Almost surely, 2470372838 is an apocalyptic number.

470372838 is an abundant number, since it is smaller than the sum of its proper divisors (542738058).

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

470372838 is a wasteful number, since it uses less digits than its factorization.

470372838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6030439.

The product of its (nonzero) digits is 225792, while the sum is 42.

The square root of 470372838 is about 21688.0805513074. The cubic root of 470372838 is about 777.7035446174.

The spelling of 470372838 in words is "four hundred seventy million, three hundred seventy-two thousand, eight hundred thirty-eight".

Divisors: 1 2 3 6 13 26 39 78 6030421 12060842 18091263 36182526 78395473 156790946 235186419 470372838