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113513471 = 1733120173
BaseRepresentation
bin1101100010000…
…01001111111111
321220121002012122
412301001033333
5213024412341
615132553155
72545564031
oct661011777
9256532178
10113513471
1159091395
12320227bb
131a695646
141110bc51
159e7394b
hex6c413ff

113513471 has 8 divisors (see below), whose sum is σ = 120559824. Its totient is φ = 106508160.

The previous prime is 113513459. The next prime is 113513527. The reversal of 113513471 is 174315311.

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

It is a cyclic number.

It is not a de Polignac number, because 113513471 - 210 = 113512447 is a prime.

It is a super-3 number, since 3×1135134713 (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 113513471.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113513171) 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, 4460 + ... + 15713.

It is an arithmetic number, because the mean of its divisors is an integer number (15069978).

Almost surely, 2113513471 is an apocalyptic number.

113513471 is a deficient number, since it is larger than the sum of its proper divisors (7046353).

113513471 is a wasteful number, since it uses less digits than its factorization.

113513471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20521.

The product of its digits is 1260, while the sum is 26.

The square root of 113513471 is about 10654.2700829292. The cubic root of 113513471 is about 484.1899838707.

Adding to 113513471 its reverse (174315311), we get a palindrome (287828782).

The spelling of 113513471 in words is "one hundred thirteen million, five hundred thirteen thousand, four hundred seventy-one".

Divisors: 1 17 331 5627 20173 342941 6677263 113513471