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113455420 = 22513894903
BaseRepresentation
bin1101100001100…
…11000100111100
321220111010120121
412300303010330
5213021033140
615131424324
72545232551
oct660630474
9256433517
10113455420
1159051811
1231bb50a4
131a6750b0
14110d4a28
159e6164a
hex6c3313c

113455420 has 48 divisors (see below), whose sum is σ = 259519680. Its totient is φ = 41412096.

The previous prime is 113455409. The next prime is 113455469. The reversal of 113455420 is 24554311.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20689 + ... + 25591.

It is an arithmetic number, because the mean of its divisors is an integer number (5406660).

Almost surely, 2113455420 is an apocalyptic number.

113455420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 113455420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (129759840).

113455420 is an abundant number, since it is smaller than the sum of its proper divisors (146064260).

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

113455420 is a wasteful number, since it uses less digits than its factorization.

113455420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5014 (or 5012 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 113455420 is about 10651.5454277771. The cubic root of 113455420 is about 484.1074312441.

The spelling of 113455420 in words is "one hundred thirteen million, four hundred fifty-five thousand, four hundred twenty".

Divisors: 1 2 4 5 10 13 20 26 52 65 89 130 178 260 356 445 890 1157 1780 2314 4628 4903 5785 9806 11570 19612 23140 24515 49030 63739 98060 127478 254956 318695 436367 637390 872734 1274780 1745468 2181835 4363670 5672771 8727340 11345542 22691084 28363855 56727710 113455420