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113522031 = 32731371571
BaseRepresentation
bin1101100010000…
…11010101101111
321220121111221200
412301003111233
5213030201111
615133100543
72545631010
oct661032557
9256544850
10113522031
1159097867
1232027753
131a6994cc
1411111007
159e76256
hex6c4356f

113522031 has 48 divisors (see below), whose sum is σ = 198801408. Its totient is φ = 61041600.

The previous prime is 113522011. The next prime is 113522047. The reversal of 113522031 is 130225311.

113522031 is a `hidden beast` number, since 113 + 522 + 0 + 31 = 666.

It is not a de Polignac number, because 113522031 - 214 = 113505647 is a prime.

It is a super-2 number, since 2×1135220312 = 25774503044729922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 113521995 and 113522013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113522011) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 71476 + ... + 73046.

It is an arithmetic number, because the mean of its divisors is an integer number (4141696).

Almost surely, 2113522031 is an apocalyptic number.

113522031 is a deficient number, since it is larger than the sum of its proper divisors (85279377).

113522031 is a wasteful number, since it uses less digits than its factorization.

113522031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1652 (or 1649 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 113522031 is about 10654.6717922234. The cubic root of 113522031 is about 484.2021544147.

Adding to 113522031 its reverse (130225311), we get a palindrome (243747342).

The spelling of 113522031 in words is "one hundred thirteen million, five hundred twenty-two thousand, thirty-one".

Divisors: 1 3 7 9 21 31 37 63 93 111 217 259 279 333 651 777 1147 1571 1953 2331 3441 4713 8029 10323 10997 14139 24087 32991 48701 58127 72261 98973 146103 174381 340907 406889 438309 523143 1022721 1220667 1801937 3068163 3662001 5405811 12613559 16217433 37840677 113522031