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471340431 = 3317457053
BaseRepresentation
bin11100000110000…
…001010110001111
31012211220120112000
4130012001112033
51431130343211
6114434243343
714452220232
oct3406012617
91184816460
10471340431
11222072051
12111a26553
137685c283
1446855419
152b5a6656
hex1c18158f

471340431 has 8 divisors (see below), whose sum is σ = 698282160. Its totient is φ = 314226936.

The previous prime is 471340423. The next prime is 471340433. The reversal of 471340431 is 134043174.

It is not a de Polignac number, because 471340431 - 23 = 471340423 is a prime.

It is a super-2 number, since 2×4713404312 = 444323603790531522, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 17457053 = 471340431 / (4 + 7 + 1 + 3 + 4 + 0 + 4 + 3 + 1).

It is a junction number, because it is equal to n+sod(n) for n = 471340395 and 471340404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (471340433) by changing a digit.

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, 8728500 + ... + 8728553.

It is an arithmetic number, because the mean of its divisors is an integer number (87285270).

Almost surely, 2471340431 is an apocalyptic number.

471340431 is a deficient number, since it is larger than the sum of its proper divisors (226941729).

471340431 is a wasteful number, since it uses less digits than its factorization.

471340431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17457062 (or 17457056 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 471340431 is about 21710.3761137388. The cubic root of 471340431 is about 778.2364446563.

The spelling of 471340431 in words is "four hundred seventy-one million, three hundred forty thousand, four hundred thirty-one".

Divisors: 1 3 9 27 17457053 52371159 157113477 471340431