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113901149 = 831372303
BaseRepresentation
bin1101100100111…
…11111001011101
321221022210000002
412302133321131
5213124314044
615145144045
72552100215
oct662377135
9257283002
10113901149
115932668a
123218b025
131a79cc3b
14111ad245
159eed74e
hex6c9fe5d

113901149 has 4 divisors (see below), whose sum is σ = 115273536. Its totient is φ = 112528764.

The previous prime is 113901127. The next prime is 113901191. The reversal of 113901149 is 941109311.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 113901149 - 220 = 112852573 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113901119) 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, 686069 + ... + 686234.

It is an arithmetic number, because the mean of its divisors is an integer number (28818384).

Almost surely, 2113901149 is an apocalyptic number.

It is an amenable number.

113901149 is a deficient number, since it is larger than the sum of its proper divisors (1372387).

113901149 is an equidigital number, since it uses as much as digits as its factorization.

113901149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1372386.

The product of its (nonzero) digits is 972, while the sum is 29.

The square root of 113901149 is about 10672.4481258988. The cubic root of 113901149 is about 484.7405690857.

The spelling of 113901149 in words is "one hundred thirteen million, nine hundred one thousand, one hundred forty-nine".

Divisors: 1 83 1372303 113901149