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85153404 = 22373153617
BaseRepresentation
bin1010001001101…
…01011001111100
312221020020111210
411010311121330
5133244402104
612241044420
72052535440
oct504653174
9187206453
1085153404
1144081016
1224626710
1314845c3b
14b448820
157720989
hex513567c

85153404 has 96 divisors (see below), whose sum is σ = 239210496. Its totient is φ = 23063040.

The previous prime is 85153381. The next prime is 85153423. The reversal of 85153404 is 40435158.

85153404 is digitally balanced in base 9, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×851534042 = 14502204425574432, which contains 22 as substring.

85153404 is strictly pandigital in base 9.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 137704 + ... + 138320.

It is an arithmetic number, because the mean of its divisors is an integer number (2491776).

Almost surely, 285153404 is an apocalyptic number.

85153404 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 85153404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (119605248).

85153404 is an abundant number, since it is smaller than the sum of its proper divisors (154057092).

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

85153404 is a wasteful number, since it uses less digits than its factorization.

85153404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 715 (or 713 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 30.

The square root of 85153404 is about 9227.8602070036. The cubic root of 85153404 is about 439.9473146284.

The spelling of 85153404 in words is "eighty-five million, one hundred fifty-three thousand, four hundred four".

Divisors: 1 2 3 4 6 7 12 14 21 28 31 42 53 62 84 93 106 124 159 186 212 217 318 371 372 434 617 636 651 742 868 1113 1234 1302 1484 1643 1851 2226 2468 2604 3286 3702 4319 4452 4929 6572 7404 8638 9858 11501 12957 17276 19127 19716 23002 25914 32701 34503 38254 46004 51828 57381 65402 69006 76508 98103 114762 130804 133889 138012 196206 228907 229524 267778 392412 401667 457814 535556 686721 803334 915628 1013731 1373442 1606668 2027462 2746884 3041193 4054924 6082386 7096117 12164772 14192234 21288351 28384468 42576702 85153404