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113720478 = 2318953413
BaseRepresentation
bin1101100011100…
…11110010011110
321220222121011120
412301303302132
5213103023403
615141231410
72550415404
oct661636236
9256877146
10113720478
1159212973
1232102566
131a738931
1411163474
159eb4e53
hex6c73c9e

113720478 has 8 divisors (see below), whose sum is σ = 227440968. Its totient is φ = 37906824.

The previous prime is 113720473. The next prime is 113720479. The reversal of 113720478 is 874027311.

It is a happy number.

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

113720478 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113720471) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9476701 + ... + 9476712.

It is an arithmetic number, because the mean of its divisors is an integer number (28430121).

Almost surely, 2113720478 is an apocalyptic number.

113720478 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

113720478 is a wasteful number, since it uses less digits than its factorization.

113720478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18953418.

The product of its (nonzero) digits is 9408, while the sum is 33.

The square root of 113720478 is about 10663.9804013323. The cubic root of 113720478 is about 484.4841335392.

Adding to 113720478 its reverse (874027311), we get a palindrome (987747789).

The spelling of 113720478 in words is "one hundred thirteen million, seven hundred twenty thousand, four hundred seventy-eight".

Divisors: 1 2 3 6 18953413 37906826 56860239 113720478