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85432304 = 2423232153
BaseRepresentation
bin1010001011110…
…01011111110000
312221202102002102
411011321133300
5133332313204
612251035532
72055106526
oct505713760
9187672072
1085432304
1144251611
122473bba8
1314912b79
14b4bc316
15777841e
hex51797f0

85432304 has 20 divisors (see below), whose sum is σ = 172722576. Its totient is φ = 40858752.

The previous prime is 85432301. The next prime is 85432309. The reversal of 85432304 is 40323458.

85432304 = T1539 + T1540 + ... + T1607.

It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85432301) 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, 115709 + ... + 116444.

Almost surely, 285432304 is an apocalyptic number.

It is an amenable number.

85432304 is an abundant number, since it is smaller than the sum of its proper divisors (87290272).

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

85432304 is a wasteful number, since it uses less digits than its factorization.

85432304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232184 (or 232178 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 29.

The square root of 85432304 is about 9242.9596991440. The cubic root of 85432304 is about 440.4271059373.

The spelling of 85432304 in words is "eighty-five million, four hundred thirty-two thousand, three hundred four".

Divisors: 1 2 4 8 16 23 46 92 184 368 232153 464306 928612 1857224 3714448 5339519 10679038 21358076 42716152 85432304