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113472020 = 2255673601
BaseRepresentation
bin1101100001101…
…11001000010100
321220111222100102
412300313020110
5213022101040
615132033232
72545332134
oct660671024
9256458312
10113472020
1159063232
1232002818
131a67c80c
14110daac4
159e66515
hex6c37214

113472020 has 12 divisors (see below), whose sum is σ = 238291284. Its totient is φ = 45388800.

The previous prime is 113472013. The next prime is 113472043. The reversal of 113472020 is 20274311.

It can be written as a sum of positive squares in 2 ways, for example, as 50523664 + 62948356 = 7108^2 + 7934^2 .

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 5673601 = 113472020 / (1 + 1 + 3 + 4 + 7 + 2 + 0 + 2 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 113471983 and 113472001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2836781 + ... + 2836820.

It is an arithmetic number, because the mean of its divisors is an integer number (19857607).

Almost surely, 2113472020 is an apocalyptic number.

113472020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113472020 is an abundant number, since it is smaller than the sum of its proper divisors (124819264).

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

113472020 is a wasteful number, since it uses less digits than its factorization.

113472020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5673610 (or 5673608 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 113472020 is about 10652.3246289249. The cubic root of 113472020 is about 484.1310404921.

The spelling of 113472020 in words is "one hundred thirteen million, four hundred seventy-two thousand, twenty".

Divisors: 1 2 4 5 10 20 5673601 11347202 22694404 28368005 56736010 113472020