Search a number
-
+
113246781 = 3318111867
BaseRepresentation
bin1101100000000…
…00001000111101
321220002112101020
412300000020331
5212442344111
615123134353
72543403354
oct660001075
9256075336
10113246781
1158a19a8a
1231b143b9
131a60113b
141107c99b
159e1e906
hex6c0023d

113246781 has 8 divisors (see below), whose sum is σ = 151055904. Its totient is φ = 75467760.

The previous prime is 113246773. The next prime is 113246801. The reversal of 113246781 is 187642311.

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

It is not a de Polignac number, because 113246781 - 23 = 113246773 is a prime.

It is a super-2 number, since 2×1132467812 = 25649666813723922, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113246701) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3610 + ... + 15476.

It is an arithmetic number, because the mean of its divisors is an integer number (18881988).

Almost surely, 2113246781 is an apocalyptic number.

It is an amenable number.

113246781 is a deficient number, since it is larger than the sum of its proper divisors (37809123).

113246781 is a wasteful number, since it uses less digits than its factorization.

113246781 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15051.

The product of its digits is 8064, while the sum is 33.

The square root of 113246781 is about 10641.7470840083. The cubic root of 113246781 is about 483.8104991472.

The spelling of 113246781 in words is "one hundred thirteen million, two hundred forty-six thousand, seven hundred eighty-one".

Divisors: 1 3 3181 9543 11867 35601 37748927 113246781