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470639923 = 13311167841
BaseRepresentation
bin11100000011010…
…110010100110011
31012210120222121021
4130003112110303
51430440434143
6114411240311
714443242025
oct3403262463
91183528537
10470639923
11221733816
12111749097
1376675480
1446712015
152b4b8ced
hex1c0d6533

470639923 has 8 divisors (see below), whose sum is σ = 523193216. Its totient is φ = 420422400.

The previous prime is 470639887. The next prime is 470639933. The reversal of 470639923 is 329936074.

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

It is a cyclic number.

It is not a de Polignac number, because 470639923 - 217 = 470508851 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 470639923.

It is not an unprimeable number, because it can be changed into a prime (470639933) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 583518 + ... + 584323.

It is an arithmetic number, because the mean of its divisors is an integer number (65399152).

Almost surely, 2470639923 is an apocalyptic number.

470639923 is a deficient number, since it is larger than the sum of its proper divisors (52553293).

470639923 is a wasteful number, since it uses less digits than its factorization.

470639923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1167885.

The product of its (nonzero) digits is 244944, while the sum is 43.

The square root of 470639923 is about 21694.2370919099. The cubic root of 470639923 is about 777.8507141481.

The spelling of 470639923 in words is "four hundred seventy million, six hundred thirty-nine thousand, nine hundred twenty-three".

Divisors: 1 13 31 403 1167841 15181933 36203071 470639923