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8485431 = 317379439
BaseRepresentation
bin100000010111…
…101000110111
3120222002211020
4200113220313
54133013211
6501512223
7132060603
oct40275067
916862736
108485431
114876259
122a12673
1319b1386
1411ac503
15b29306
hex817a37

8485431 has 16 divisors (see below), whose sum is σ = 12038400. Its totient is φ = 5298048.

The previous prime is 8485417. The next prime is 8485441. The reversal of 8485431 is 1345848.

8485431 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 8485431 - 27 = 8485303 is a prime.

It is a super-2 number, since 2×84854312 = 144005078511522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 8485392 and 8485401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8485441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19110 + ... + 19548.

It is an arithmetic number, because the mean of its divisors is an integer number (752400).

Almost surely, 28485431 is an apocalyptic number.

8485431 is a deficient number, since it is larger than the sum of its proper divisors (3552969).

8485431 is a wasteful number, since it uses less digits than its factorization.

8485431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 838.

The product of its digits is 15360, while the sum is 33.

The square root of 8485431 is about 2912.9763129830. The cubic root of 8485431 is about 203.9660891346.

The spelling of 8485431 in words is "eight million, four hundred eighty-five thousand, four hundred thirty-one".

Divisors: 1 3 17 51 379 439 1137 1317 6443 7463 19329 22389 166381 499143 2828477 8485431