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85302459 = 321137121
BaseRepresentation
bin1010001010110…
…01110010111011
312221111210222100
411011121302323
5133314134314
612244154443
72054026134
oct505316273
9187453870
1085302459
1144173000
1224698a23
1314898a38
14b486c8b
15774ec09
hex5159cbb

85302459 has 24 divisors (see below), whose sum is σ = 135545904. Its totient is φ = 51691200.

The previous prime is 85302439. The next prime is 85302463. The reversal of 85302459 is 95420358.

It is not a de Polignac number, because 85302459 - 212 = 85298363 is a prime.

It is a super-2 number, since 2×853024592 = 14553019022893362, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (85302409) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8419 + ... + 15539.

It is an arithmetic number, because the mean of its divisors is an integer number (5647746).

Almost surely, 285302459 is an apocalyptic number.

85302459 is a deficient number, since it is larger than the sum of its proper divisors (50243445).

85302459 is a wasteful number, since it uses less digits than its factorization.

85302459 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7160 (or 7135 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The square root of 85302459 is about 9235.9330335381. The cubic root of 85302459 is about 440.2038638631.

The spelling of 85302459 in words is "eighty-five million, three hundred two thousand, four hundred fifty-nine".

Divisors: 1 3 9 11 33 99 121 363 1089 1331 3993 7121 11979 21363 64089 78331 234993 704979 861641 2584923 7754769 9478051 28434153 85302459