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113204560 = 2457316521
BaseRepresentation
bin1101011111101…
…01110101010000
321220000101110111
412233311311100
5212440021220
615122211104
72543136310
oct657656520
9256011414
10113204560
11589a0297
1231ab3a94
131a5b7b61
141106b440
159e1215a
hex6bf5d50

113204560 has 80 divisors (see below), whose sum is σ = 310551552. Its totient is φ = 37555200.

The previous prime is 113204557. The next prime is 113204561. The reversal of 113204560 is 65402311.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113204561) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14100 + ... + 20620.

Almost surely, 2113204560 is an apocalyptic number.

113204560 is a gapful number since it is divisible by the number (10) 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 113204560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (155275776).

113204560 is an abundant number, since it is smaller than the sum of its proper divisors (197346992).

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

113204560 is a wasteful number, since it uses less digits than its factorization.

113204560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6572 (or 6566 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 113204560 is about 10639.7631552587. The cubic root of 113204560 is about 483.7503664529.

Adding to 113204560 its reverse (65402311), we get a palindrome (178606871).

The spelling of 113204560 in words is "one hundred thirteen million, two hundred four thousand, five hundred sixty".

Divisors: 1 2 4 5 7 8 10 14 16 20 28 31 35 40 56 62 70 80 112 124 140 155 217 248 280 310 434 496 560 620 868 1085 1240 1736 2170 2480 3472 4340 6521 8680 13042 17360 26084 32605 45647 52168 65210 91294 104336 130420 182588 202151 228235 260840 365176 404302 456470 521680 730352 808604 912940 1010755 1415057 1617208 1825880 2021510 2830114 3234416 3651760 4043020 5660228 7075285 8086040 11320456 14150570 16172080 22640912 28301140 56602280 113204560