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472289231 = 6771101983
BaseRepresentation
bin11100001001101…
…000111111001111
31012220200210000202
4130021220333033
51431401223411
6114510444115
714463251351
oct3411507717
91186623022
10472289231
1122265a987
1211220363b
1376b020ab
1446a210d1
152b6e283b
hex1c268fcf

472289231 has 16 divisors (see below), whose sum is σ = 491401728. Its totient is φ = 453684000.

The previous prime is 472289183. The next prime is 472289297. The reversal of 472289231 is 132982274.

It is a cyclic number.

It is not a de Polignac number, because 472289231 - 210 = 472288207 is a prime.

It is a super-2 number, since 2×4722892312 = 446114235437142722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (472289131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 479966 + ... + 480948.

It is an arithmetic number, because the mean of its divisors is an integer number (30712608).

Almost surely, 2472289231 is an apocalyptic number.

472289231 is a deficient number, since it is larger than the sum of its proper divisors (19112497).

472289231 is a wasteful number, since it uses less digits than its factorization.

472289231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1222.

The product of its digits is 48384, while the sum is 38.

The square root of 472289231 is about 21732.2164309120. The cubic root of 472289231 is about 778.7582867529.

The spelling of 472289231 in words is "four hundred seventy-two million, two hundred eighty-nine thousand, two hundred thirty-one".

Divisors: 1 67 71 101 983 4757 6767 7171 65861 69793 99283 480457 4676131 6651961 7049093 472289231