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112205031 = 3291289713
BaseRepresentation
bin1101011000000…
…01110011100111
321211010121100220
412230001303213
5212211030111
615044535423
72531504241
oct654016347
9254117326
10112205031
1158378334
12316b1573
131a327c13
1410c8b091
159cb5e06
hex6b01ce7

112205031 has 8 divisors (see below), whose sum is σ = 154765680. Its totient is φ = 72223872.

The previous prime is 112205029. The next prime is 112205033. The reversal of 112205031 is 130502211.

It is an interprime number because it is at equal distance from previous prime (112205029) and next prime (112205033).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 112205031 - 21 = 112205029 is a prime.

It is a super-2 number, since 2×1122050312 = 25179937963421922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 112205031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112205033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 644770 + ... + 644943.

It is an arithmetic number, because the mean of its divisors is an integer number (19345710).

Almost surely, 2112205031 is an apocalyptic number.

112205031 is a deficient number, since it is larger than the sum of its proper divisors (42560649).

112205031 is a wasteful number, since it uses less digits than its factorization.

112205031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1289745.

The product of its (nonzero) digits is 60, while the sum is 15.

The square root of 112205031 is about 10592.6876192966. The cubic root of 112205031 is about 482.3224127437.

Adding to 112205031 its reverse (130502211), we get a palindrome (242707242).

The spelling of 112205031 in words is "one hundred twelve million, two hundred five thousand, thirty-one".

Divisors: 1 3 29 87 1289713 3869139 37401677 112205031