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84534931 = 1317382511
BaseRepresentation
bin1010000100111…
…10011010010011
312220001211010101
411002132122103
5133120104211
612215513231
72044351345
oct502363223
9186054111
1084534931
1143799388
1224388817
131468a590
14b327295
15764c5c1
hex509e693

84534931 has 8 divisors (see below), whose sum is σ = 96393024. Its totient is φ = 73441920.

The previous prime is 84534929. The next prime is 84534937. The reversal of 84534931 is 13943548.

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 84534931 - 21 = 84534929 is a prime.

It is a super-2 number, since 2×845349312 = 14292309118349522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (84534937) 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, 191035 + ... + 191476.

It is an arithmetic number, because the mean of its divisors is an integer number (12049128).

Almost surely, 284534931 is an apocalyptic number.

84534931 is a deficient number, since it is larger than the sum of its proper divisors (11858093).

84534931 is a wasteful number, since it uses less digits than its factorization.

84534931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 382541.

The product of its digits is 51840, while the sum is 37.

The square root of 84534931 is about 9194.2879550295. The cubic root of 84534931 is about 438.8796064645.

The spelling of 84534931 in words is "eighty-four million, five hundred thirty-four thousand, nine hundred thirty-one".

Divisors: 1 13 17 221 382511 4972643 6502687 84534931