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85976436 = 223713431831
BaseRepresentation
bin1010001111111…
…10010101110100
312222210001111110
411013332111310
5134002221221
612310435020
72062534110
oct507762564
9188701443
1085976436
1144593407
1224962a70
1314a73740
14b5c0740
157834776
hex51fe574

85976436 has 96 divisors (see below), whose sum is σ = 252786688. Its totient is φ = 22135680.

The previous prime is 85976417. The next prime is 85976437. The reversal of 85976436 is 63467958.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85976437) 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, 46041 + ... + 47871.

Almost surely, 285976436 is an apocalyptic number.

85976436 is a gapful number since it is divisible by the number (86) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 85976436, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (126393344).

85976436 is an abundant number, since it is smaller than the sum of its proper divisors (166810252).

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

85976436 is a wasteful number, since it uses less digits than its factorization.

85976436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1901 (or 1899 counting only the distinct ones).

The product of its digits is 1088640, while the sum is 48.

The square root of 85976436 is about 9272.3479227216. The cubic root of 85976436 is about 441.3601779829.

The spelling of 85976436 in words is "eighty-five million, nine hundred seventy-six thousand, four hundred thirty-six".

Divisors: 1 2 3 4 6 7 12 13 14 21 26 28 39 42 43 52 78 84 86 91 129 156 172 182 258 273 301 364 516 546 559 602 903 1092 1118 1204 1677 1806 1831 2236 3354 3612 3662 3913 5493 6708 7324 7826 10986 11739 12817 15652 21972 23478 23803 25634 38451 46956 47606 51268 71409 76902 78733 95212 142818 153804 157466 166621 236199 285636 314932 333242 472398 499863 551131 666484 944796 999726 1023529 1102262 1653393 1999452 2047058 2204524 3070587 3306786 4094116 6141174 6613572 7164703 12282348 14329406 21494109 28658812 42988218 85976436