Search a number
-
+
113220293 = 1011120993
BaseRepresentation
bin1101011111110…
…01101011000101
321220001012001012
412233321223011
5212441022133
615122412005
72543233214
oct657715305
9256035035
10113220293
1158a0109a
1231b01005
131a5c2074
141107307b
159e16b48
hex6bf9ac5

113220293 has 4 divisors (see below), whose sum is σ = 114341388. Its totient is φ = 112099200.

The previous prime is 113220281. The next prime is 113220301. The reversal of 113220293 is 392022311.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 87647044 + 25573249 = 9362^2 + 5057^2 .

It is a cyclic number.

It is not a de Polignac number, because 113220293 - 222 = 109025989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113220203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 560396 + ... + 560597.

It is an arithmetic number, because the mean of its divisors is an integer number (28585347).

Almost surely, 2113220293 is an apocalyptic number.

It is an amenable number.

113220293 is a deficient number, since it is larger than the sum of its proper divisors (1121095).

113220293 is a wasteful number, since it uses less digits than its factorization.

113220293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1121094.

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

The square root of 113220293 is about 10640.5024787366. The cubic root of 113220293 is about 483.7727757150.

The spelling of 113220293 in words is "one hundred thirteen million, two hundred twenty thousand, two hundred ninety-three".

Divisors: 1 101 1120993 113220293