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472538311 = 7228134319
BaseRepresentation
bin11100001010100…
…101110011000111
31012221011102200221
4130022211303013
51431432211221
6114520045211
714465336500
oct3412456307
91187142627
10472538311
11222810033
12112303807
1376b8b58b
1446a87ba7
152b741541
hex1c2a5cc7

472538311 has 12 divisors (see below), whose sum is σ = 551659680. Its totient is φ = 403579680.

The previous prime is 472538281. The next prime is 472538317. The reversal of 472538311 is 113835274.

It is not a de Polignac number, because 472538311 - 25 = 472538279 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (472538317) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3391 + ... + 30928.

It is an arithmetic number, because the mean of its divisors is an integer number (45971640).

Almost surely, 2472538311 is an apocalyptic number.

472538311 is a deficient number, since it is larger than the sum of its proper divisors (79121369).

472538311 is a wasteful number, since it uses less digits than its factorization.

472538311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34614 (or 34607 counting only the distinct ones).

The product of its digits is 20160, while the sum is 34.

The square root of 472538311 is about 21737.9463381434. The cubic root of 472538311 is about 778.8951654645.

The spelling of 472538311 in words is "four hundred seventy-two million, five hundred thirty-eight thousand, three hundred eleven".

Divisors: 1 7 49 281 1967 13769 34319 240233 1681631 9643639 67505473 472538311