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113655540 = 223517111427
BaseRepresentation
bin1101100011000…
…11111011110100
321220212022002110
412301203323310
5213043434130
615140011020
72550025155
oct661437364
9256768073
10113655540
11591790a9
1232090a70
131a7151cb
141114792c
159ea0ab0
hex6c63ef4

113655540 has 48 divisors (see below), whose sum is σ = 336958272. Its totient is φ = 28525056.

The previous prime is 113655539. The next prime is 113655547. The reversal of 113655540 is 45556311.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 113655498 and 113655507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113655547) 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, 54694 + ... + 56733.

It is an arithmetic number, because the mean of its divisors is an integer number (7019964).

Almost surely, 2113655540 is an apocalyptic number.

113655540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113655540 is an abundant number, since it is smaller than the sum of its proper divisors (223302732).

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

113655540 is a wasteful number, since it uses less digits than its factorization.

113655540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111456 (or 111454 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 30.

The square root of 113655540 is about 10660.9352310198. The cubic root of 113655540 is about 484.3918973779.

The spelling of 113655540 in words is "one hundred thirteen million, six hundred fifty-five thousand, five hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 17 20 30 34 51 60 68 85 102 170 204 255 340 510 1020 111427 222854 334281 445708 557135 668562 1114270 1337124 1671405 1894259 2228540 3342810 3788518 5682777 6685620 7577036 9471295 11365554 18942590 22731108 28413885 37885180 56827770 113655540