Search a number
-
+
113450420 = 22521432647
BaseRepresentation
bin1101100001100…
…01110110110100
321220110212201102
412300301312310
5213020403140
615131345232
72545212146
oct660616664
9256425642
10113450420
1159048a86
1231bb2218
131a672a35
14110d2c96
159e5ee15
hex6c31db4

113450420 has 24 divisors (see below), whose sum is σ = 238447104. Its totient is φ = 45341856.

The previous prime is 113450411. The next prime is 113450429. The reversal of 113450420 is 24054311.

It is an interprime number because it is at equal distance from previous prime (113450411) and next prime (113450429).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 113450392 and 113450401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113450429) 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, 41537 + ... + 44183.

It is an arithmetic number, because the mean of its divisors is an integer number (9935296).

Almost surely, 2113450420 is an apocalyptic number.

113450420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113450420 is an abundant number, since it is smaller than the sum of its proper divisors (124996684).

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

113450420 is a wasteful number, since it uses less digits than its factorization.

113450420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4799 (or 4797 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 113450420 is about 10651.3107174657. The cubic root of 113450420 is about 484.1003195735.

The spelling of 113450420 in words is "one hundred thirteen million, four hundred fifty thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 2143 2647 4286 5294 8572 10588 10715 13235 21430 26470 42860 52940 5672521 11345042 22690084 28362605 56725210 113450420