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113841390 = 23513291901
BaseRepresentation
bin1101100100100…
…01010011101110
321221012202000210
412302101103232
5213120411030
615144003250
72551431045
oct662212356
9257182023
10113841390
11592957a3
1232160526
131a77b990
141119555c
159edabb0
hex6c914ee

113841390 has 32 divisors (see below), whose sum is σ = 294237216. Its totient is φ = 28022400.

The previous prime is 113841359. The next prime is 113841397. The reversal of 113841390 is 93148311.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113841397) 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, 145561 + ... + 146340.

It is an arithmetic number, because the mean of its divisors is an integer number (9194913).

Almost surely, 2113841390 is an apocalyptic number.

113841390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

113841390 is an abundant number, since it is smaller than the sum of its proper divisors (180395826).

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

113841390 is a wasteful number, since it uses less digits than its factorization.

113841390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291924.

The product of its (nonzero) digits is 2592, while the sum is 30.

The square root of 113841390 is about 10669.6480729216. The cubic root of 113841390 is about 484.6557801279.

The spelling of 113841390 in words is "one hundred thirteen million, eight hundred forty-one thousand, three hundred ninety".

Divisors: 1 2 3 5 6 10 13 15 26 30 39 65 78 130 195 390 291901 583802 875703 1459505 1751406 2919010 3794713 4378515 7589426 8757030 11384139 18973565 22768278 37947130 56920695 113841390