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113901471 = 343145361
BaseRepresentation
bin1101100100111…
…11111110011111
321221022210110000
412302133332133
5213124321341
615145145343
72552101155
oct662377637
9257283400
10113901471
1159326952
123218b253
131a7a0128
159eed8b6
hex6c9ff9f

113901471 has 20 divisors (see below), whose sum is σ = 175641664. Its totient is φ = 73483200.

The previous prime is 113901449. The next prime is 113901499. The reversal of 113901471 is 174109311.

It is not a de Polignac number, because 113901471 - 25 = 113901439 is a prime.

It is a super-3 number, since 3×1139014713 (a number of 25 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113905471) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 20170 + ... + 25191.

Almost surely, 2113901471 is an apocalyptic number.

113901471 is a deficient number, since it is larger than the sum of its proper divisors (61740193).

113901471 is an equidigital number, since it uses as much as digits as its factorization.

113901471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45404 (or 45395 counting only the distinct ones).

The product of its (nonzero) digits is 756, while the sum is 27.

The square root of 113901471 is about 10672.4632114615. The cubic root of 113901471 is about 484.7410258745.

The spelling of 113901471 in words is "one hundred thirteen million, nine hundred one thousand, four hundred seventy-one".