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113909970 = 23529311421
BaseRepresentation
bin1101100101000…
…10000011010010
321221100020002210
412302202003102
5213130104340
615145252550
72552135016
oct662420322
9257306083
10113909970
1159332279
1232194156
131a7a3c65
14111b2546
15a001180
hex6ca20d2

113909970 has 64 divisors (see below), whose sum is σ = 284394240. Its totient is φ = 29164800.

The previous prime is 113909969. The next prime is 113909981. The reversal of 113909970 is 79909311.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 270360 + ... + 270780.

It is an arithmetic number, because the mean of its divisors is an integer number (4443660).

Almost surely, 2113909970 is an apocalyptic number.

113909970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 113909970, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (142197120).

113909970 is an abundant number, since it is smaller than the sum of its proper divisors (170484270).

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

113909970 is a wasteful number, since it uses less digits than its factorization.

113909970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 771.

The product of its (nonzero) digits is 15309, while the sum is 39.

The square root of 113909970 is about 10672.8613782809. The cubic root of 113909970 is about 484.7530822348.

The spelling of 113909970 in words is "one hundred thirteen million, nine hundred nine thousand, nine hundred seventy".

Divisors: 1 2 3 5 6 10 15 29 30 58 87 145 174 290 311 421 435 622 842 870 933 1263 1555 1866 2105 2526 3110 4210 4665 6315 9019 9330 12209 12630 18038 24418 27057 36627 45095 54114 61045 73254 90190 122090 130931 135285 183135 261862 270570 366270 392793 654655 785586 1309310 1963965 3796999 3927930 7593998 11390997 18984995 22781994 37969990 56954985 113909970