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85467472 = 2419214797
BaseRepresentation
bin1010001100000…
…10000101010000
312221211012022221
411012002011100
5133334424342
612251510424
72055314206
oct506020520
9187735287
1085467472
1144275a82
1224758414
1314925b8c
14b4cb076
157783a67
hex5182150

85467472 has 30 divisors (see below), whose sum is σ = 174779178. Its totient is φ = 40481856.

The previous prime is 85467469. The next prime is 85467497. The reversal of 85467472 is 27476458.

It can be written as a sum of positive squares in only one way, i.e., 68624656 + 16842816 = 8284^2 + 4104^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1623 + ... + 13174.

Almost surely, 285467472 is an apocalyptic number.

It is an amenable number.

85467472 is an abundant number, since it is smaller than the sum of its proper divisors (89311706).

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

85467472 is a wasteful number, since it uses less digits than its factorization.

85467472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14843 (or 14818 counting only the distinct ones).

The product of its digits is 376320, while the sum is 43.

The square root of 85467472 is about 9244.8619243340. The cubic root of 85467472 is about 440.4875312288.

The spelling of 85467472 in words is "eighty-five million, four hundred sixty-seven thousand, four hundred seventy-two".

Divisors: 1 2 4 8 16 19 38 76 152 304 361 722 1444 2888 5776 14797 29594 59188 118376 236752 281143 562286 1124572 2249144 4498288 5341717 10683434 21366868 42733736 85467472