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113441240 = 23511347743
BaseRepresentation
bin1101100001011…
…11100111011000
321220110102010102
412300233213120
5213020104430
615131234532
72545143323
oct660574730
9256412112
10113441240
11590420a0
1231ba8a48
131a66b7c3
14110cd7ba
159e5c345
hex6c2f9d8

113441240 has 64 divisors (see below), whose sum is σ = 279624960. Its totient is φ = 41077120.

The previous prime is 113441239. The next prime is 113441257. The reversal of 113441240 is 42144311.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 152309 + ... + 153051.

It is an arithmetic number, because the mean of its divisors is an integer number (4369140).

Almost surely, 2113441240 is an apocalyptic number.

113441240 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 113441240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (139812480).

113441240 is an abundant number, since it is smaller than the sum of its proper divisors (166183720).

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

113441240 is a wasteful number, since it uses less digits than its factorization.

113441240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1112 (or 1108 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 113441240 is about 10650.8797758683. The cubic root of 113441240 is about 484.0872620023.

Adding to 113441240 its reverse (42144311), we get a palindrome (155585551).

The spelling of 113441240 in words is "one hundred thirteen million, four hundred forty-one thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 11 20 22 40 44 55 88 110 220 347 440 694 743 1388 1486 1735 2776 2972 3470 3715 3817 5944 6940 7430 7634 8173 13880 14860 15268 16346 19085 29720 30536 32692 38170 40865 65384 76340 81730 152680 163460 257821 326920 515642 1031284 1289105 2062568 2578210 2836031 5156420 5672062 10312840 11344124 14180155 22688248 28360310 56720620 113441240