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113481940 = 225111339679
BaseRepresentation
bin1101100001110…
…01100011010100
321220112110221211
412300321203110
5213022410230
615132151204
72545403065
oct660714324
9256473854
10113481940
115906a730
1232008504
131a6841a0
141110056c
159e6942a
hex6c398d4

113481940 has 48 divisors (see below), whose sum is σ = 279982080. Its totient is φ = 38090880.

The previous prime is 113481913. The next prime is 113481941. The reversal of 113481940 is 49184311.

It is a house number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113481941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16980 + ... + 22699.

It is an arithmetic number, because the mean of its divisors is an integer number (5832960).

Almost surely, 2113481940 is an apocalyptic number.

113481940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113481940 is an abundant number, since it is smaller than the sum of its proper divisors (166500140).

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

113481940 is a wasteful number, since it uses less digits than its factorization.

113481940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39712 (or 39710 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 31.

The square root of 113481940 is about 10652.7902448138. The cubic root of 113481940 is about 484.1451480521.

The spelling of 113481940 in words is "one hundred thirteen million, four hundred eighty-one thousand, nine hundred forty".

Divisors: 1 2 4 5 10 11 13 20 22 26 44 52 55 65 110 130 143 220 260 286 572 715 1430 2860 39679 79358 158716 198395 396790 436469 515827 793580 872938 1031654 1745876 2063308 2182345 2579135 4364690 5158270 5674097 8729380 10316540 11348194 22696388 28370485 56740970 113481940