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85113504 = 253474691
BaseRepresentation
bin1010001001010…
…11101010100000
312221011012210000
411010223222200
5133242113004
612240140000
72052311220
oct504535240
9187135700
1085113504
1144054043
1224607600
1314830a28
14b438080
157713c39
hex512baa0

85113504 has 120 divisors (see below), whose sum is σ = 286136928. Its totient is φ = 24312960.

The previous prime is 85113493. The next prime is 85113527. The reversal of 85113504 is 40531158.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 15799 + ... + 20489.

Almost surely, 285113504 is an apocalyptic number.

85113504 is a gapful number since it is divisible by the number (84) 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 85113504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (143068464).

85113504 is an abundant number, since it is smaller than the sum of its proper divisors (201023424).

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

85113504 is a wasteful number, since it uses less digits than its factorization.

85113504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4720 (or 4703 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

The square root of 85113504 is about 9225.6980223721. The cubic root of 85113504 is about 439.8785890912.

The spelling of 85113504 in words is "eighty-five million, one hundred thirteen thousand, five hundred four".

Divisors: 1 2 3 4 6 7 8 9 12 14 16 18 21 24 27 28 32 36 42 48 54 56 63 72 81 84 96 108 112 126 144 162 168 189 216 224 252 288 324 336 378 432 504 567 648 672 756 864 1008 1134 1296 1512 2016 2268 2592 3024 4536 4691 6048 9072 9382 14073 18144 18764 28146 32837 37528 42219 56292 65674 75056 84438 98511 112584 126657 131348 150112 168876 197022 225168 253314 262696 295533 337752 379971 394044 450336 506628 525392 591066 675504 759942 788088 886599 1013256 1050784 1182132 1351008 1519884 1576176 1773198 2026512 2364264 2659797 3039768 3152352 3546396 4053024 4728528 5319594 6079536 7092792 9457056 10639188 12159072 14185584 21278376 28371168 42556752 85113504