Search a number
-
+
113290232 = 23111379397
BaseRepresentation
bin1101100000010…
…10101111111000
321220011201222112
412300022233320
5213000241412
615124111452
72543644136
oct660125770
9256151875
10113290232
1158a496a0
1231b35588
131a617b53
1411090756
159e2c722
hex6c0abf8

113290232 has 32 divisors (see below), whose sum is σ = 233446320. Its totient is φ = 51114240.

The previous prime is 113290231. The next prime is 113290267. The reversal of 113290232 is 232092311.

It is a super-2 number, since 2×1132902322 = 25669353333227648, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 113290198 and 113290207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113290231) 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, 7358 + ... + 16754.

Almost surely, 2113290232 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 113290232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (116723160).

113290232 is an abundant number, since it is smaller than the sum of its proper divisors (120156088).

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

113290232 is a wasteful number, since it uses less digits than its factorization.

113290232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9551 (or 9547 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 113290232 is about 10643.7884233012. The cubic root of 113290232 is about 483.8723680491.

The spelling of 113290232 in words is "one hundred thirteen million, two hundred ninety thousand, two hundred thirty-two".

Divisors: 1 2 4 8 11 22 44 88 137 274 548 1096 1507 3014 6028 9397 12056 18794 37588 75176 103367 206734 413468 826936 1287389 2574778 5149556 10299112 14161279 28322558 56645116 113290232