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85341870 = 23351718593
BaseRepresentation
bin1010001011000…
…11011010101110
312221120211001000
411011203122232
5133321414440
612245101130
72054252055
oct505433256
9187524030
1085341870
114419a679
12246b77a6
13148b0963
14b49739c
15775b730
hex51636ae

85341870 has 64 divisors (see below), whose sum is σ = 240978240. Its totient is φ = 21417984.

The previous prime is 85341857. The next prime is 85341871. The reversal of 85341870 is 7814358.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85341871) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4707 + ... + 13886.

It is an arithmetic number, because the mean of its divisors is an integer number (3765285).

Almost surely, 285341870 is an apocalyptic number.

85341870 is an abundant number, since it is smaller than the sum of its proper divisors (155636370).

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

85341870 is a wasteful number, since it uses less digits than its factorization.

85341870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18626 (or 18620 counting only the distinct ones).

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

The square root of 85341870 is about 9238.0663561159. The cubic root of 85341870 is about 440.2716469945.

It can be divided in two parts, 8534 and 1870, that added together give a square (10404 = 1022).

The spelling of 85341870 in words is "eighty-five million, three hundred forty-one thousand, eight hundred seventy".

Divisors: 1 2 3 5 6 9 10 15 17 18 27 30 34 45 51 54 85 90 102 135 153 170 255 270 306 459 510 765 918 1530 2295 4590 18593 37186 55779 92965 111558 167337 185930 278895 316081 334674 502011 557790 632162 836685 948243 1004022 1580405 1673370 1896486 2510055 2844729 3160810 4741215 5020110 5689458 8534187 9482430 14223645 17068374 28447290 42670935 85341870