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113054781 = 3722923509
BaseRepresentation
bin1101011110100…
…01010000111101
321212201210000010
412233101100331
5212420223111
615115053433
72541643530
oct657212075
9255653003
10113054781
11588a8804
1231a41279
131a564928
141102ca17
159dd2aa6
hex6bd143d

113054781 has 16 divisors (see below), whose sum is σ = 173033600. Its totient is φ = 64317888.

The previous prime is 113054749. The next prime is 113054801. The reversal of 113054781 is 187450311.

It is not a de Polignac number, because 113054781 - 25 = 113054749 is a prime.

It is a super-2 number, since 2×1130547812 = 25562767013915922, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113054701) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6946 + ... + 16563.

It is an arithmetic number, because the mean of its divisors is an integer number (10814600).

Almost surely, 2113054781 is an apocalyptic number.

It is an amenable number.

113054781 is a deficient number, since it is larger than the sum of its proper divisors (59978819).

113054781 is a wasteful number, since it uses less digits than its factorization.

113054781 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23748.

The product of its (nonzero) digits is 3360, while the sum is 30.

The square root of 113054781 is about 10632.7221820191. The cubic root of 113054781 is about 483.5369250374.

The spelling of 113054781 in words is "one hundred thirteen million, fifty-four thousand, seven hundred eighty-one".

Divisors: 1 3 7 21 229 687 1603 4809 23509 70527 164563 493689 5383561 16150683 37684927 113054781