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85470318 = 2324748351
BaseRepresentation
bin1010001100000…
…10110001101110
312221211100020100
411012002301232
5133340022233
612251531530
72055325413
oct506026156
9187740210
1085470318
114427812a
1224759ba6
131492726b
14b4cc10a
157784813
hex5182c6e

85470318 has 12 divisors (see below), whose sum is σ = 185185728. Its totient is φ = 28490100.

The previous prime is 85470313. The next prime is 85470331. The reversal of 85470318 is 81307458.

It is a super-2 number, since 2×854703182 = 14610350518042248, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85470311) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2374158 + ... + 2374193.

It is an arithmetic number, because the mean of its divisors is an integer number (15432144).

Almost surely, 285470318 is an apocalyptic number.

85470318 is an abundant number, since it is smaller than the sum of its proper divisors (99715410).

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

85470318 is a wasteful number, since it uses less digits than its factorization.

85470318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4748359 (or 4748356 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 36.

The square root of 85470318 is about 9245.0158463899. The cubic root of 85470318 is about 440.4924204713.

The spelling of 85470318 in words is "eighty-five million, four hundred seventy thousand, three hundred eighteen".

Divisors: 1 2 3 6 9 18 4748351 9496702 14245053 28490106 42735159 85470318