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113240440 = 2352831011
BaseRepresentation
bin1101011111111…
…10100101111000
321220002012200101
412233332211320
5212442143230
615123045144
72543346025
oct657764570
9256065611
10113240440
1158a15245
1231b107b4
131a5cb2a1
141107a54c
159e1caca
hex6bfe978

113240440 has 16 divisors (see below), whose sum is σ = 254791080. Its totient is φ = 45296160.

The previous prime is 113240429. The next prime is 113240443. The reversal of 113240440 is 44042311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113240443) 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, 1415466 + ... + 1415545.

Almost surely, 2113240440 is an apocalyptic number.

113240440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113240440 is an abundant number, since it is smaller than the sum of its proper divisors (141550640).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

113240440 is a wasteful number, since it uses less digits than its factorization.

113240440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2831022 (or 2831018 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 113240440 is about 10641.4491494345. The cubic root of 113240440 is about 483.8014690167.

Adding to 113240440 its reverse (44042311), we get a palindrome (157282751).

The spelling of 113240440 in words is "one hundred thirteen million, two hundred forty thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 20 40 2831011 5662022 11324044 14155055 22648088 28310110 56620220 113240440