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113901445 = 5717474073
BaseRepresentation
bin1101100100111…
…11111110000101
321221022210102001
412302133332011
5213124321240
615145145301
72552101120
oct662377605
9257283361
10113901445
1159326929
123218b231
131a7a0108
159eed89a
hex6c9ff85

113901445 has 32 divisors (see below), whose sum is σ = 168956928. Its totient is φ = 71927808.

The previous prime is 113901439. The next prime is 113901449. The reversal of 113901445 is 544109311.

It is a cyclic number.

It is not a de Polignac number, because 113901445 - 25 = 113901413 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113901449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25929 + ... + 30001.

It is an arithmetic number, because the mean of its divisors is an integer number (5279904).

Almost surely, 2113901445 is an apocalyptic number.

It is an amenable number.

113901445 is a deficient number, since it is larger than the sum of its proper divisors (55055483).

113901445 is a wasteful number, since it uses less digits than its factorization.

113901445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4149.

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 113901445 is about 10672.4619933734. The cubic root of 113901445 is about 484.7409889910.

The spelling of 113901445 in words is "one hundred thirteen million, nine hundred one thousand, four hundred forty-five".