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85533384 = 23319917909
BaseRepresentation
bin1010001100100…
…10001011001000
312221221112202010
411012102023020
5133344032014
612253135520
72056010316
oct506221310
9187845663
1085533384
1144310552
122478a5a0
1314949b91
14b5070b6
157798359
hex51922c8

85533384 has 32 divisors (see below), whose sum is σ = 214920000. Its totient is φ = 28366272.

The previous prime is 85533377. The next prime is 85533391. The reversal of 85533384 is 48333558.

It is an interprime number because it is at equal distance from previous prime (85533377) and next prime (85533391).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4179 + ... + 13730.

It is an arithmetic number, because the mean of its divisors is an integer number (6716250).

Almost surely, 285533384 is an apocalyptic number.

It is an amenable number.

85533384 is an abundant number, since it is smaller than the sum of its proper divisors (129386616).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85533384 is a wasteful number, since it uses less digits than its factorization.

85533384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18117 (or 18113 counting only the distinct ones).

The product of its digits is 172800, while the sum is 39.

The square root of 85533384 is about 9248.4260282493. The cubic root of 85533384 is about 440.6007359105.

The spelling of 85533384 in words is "eighty-five million, five hundred thirty-three thousand, three hundred eighty-four".

Divisors: 1 2 3 4 6 8 12 24 199 398 597 796 1194 1592 2388 4776 17909 35818 53727 71636 107454 143272 214908 429816 3563891 7127782 10691673 14255564 21383346 28511128 42766692 85533384