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85331332 = 2241520313
BaseRepresentation
bin1010001011000…
…00110110000100
312221120021120201
411011200312010
5133321100312
612244540244
72054206252
oct505406604
9187507521
1085331332
1144192769
12246b1684
13148a8c18
14b4935d2
157758557
hex5160d84

85331332 has 12 divisors (see below), whose sum is σ = 152972316. Its totient is φ = 41624960.

The previous prime is 85331327. The next prime is 85331333. The reversal of 85331332 is 23313358.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 24740676 + 60590656 = 4974^2 + 7784^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 85331332.

It is not an unprimeable number, because it can be changed into a prime (85331333) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 259993 + ... + 260320.

It is an arithmetic number, because the mean of its divisors is an integer number (12747693).

Almost surely, 285331332 is an apocalyptic number.

85331332 is a gapful number since it is divisible by the number (82) formed by its first and last digit.

It is an amenable number.

85331332 is a deficient number, since it is larger than the sum of its proper divisors (67640984).

85331332 is a wasteful number, since it uses less digits than its factorization.

85331332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 520358 (or 520356 counting only the distinct ones).

The product of its digits is 6480, while the sum is 28.

The square root of 85331332 is about 9237.4959810546. The cubic root of 85331332 is about 440.2535246918.

The spelling of 85331332 in words is "eighty-five million, three hundred thirty-one thousand, three hundred thirty-two".

Divisors: 1 2 4 41 82 164 520313 1040626 2081252 21332833 42665666 85331332