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113221230 = 2354797879
BaseRepresentation
bin1101011111110…
…01111001101110
321220001020022220
412233321321232
5212441034410
615122420210
72543236023
oct657717156
9256036286
10113221230
1158a01871
1231b01666
131a5c2615
141107354a
159e17070
hex6bf9e6e

113221230 has 32 divisors (see below), whose sum is σ = 272332800. Its totient is φ = 30125472.

The previous prime is 113221217. The next prime is 113221253. The reversal of 113221230 is 32122311.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10431 + ... + 18309.

It is an arithmetic number, because the mean of its divisors is an integer number (8510400).

Almost surely, 2113221230 is an apocalyptic number.

113221230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

113221230 is an abundant number, since it is smaller than the sum of its proper divisors (159111570).

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

113221230 is a wasteful number, since it uses less digits than its factorization.

113221230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8368.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 113221230 is about 10640.5465085211. The cubic root of 113221230 is about 483.7741102633.

Adding to 113221230 its reverse (32122311), we get a palindrome (145343541).

The spelling of 113221230 in words is "one hundred thirteen million, two hundred twenty-one thousand, two hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 479 958 1437 2395 2874 4790 7185 7879 14370 15758 23637 39395 47274 78790 118185 236370 3774041 7548082 11322123 18870205 22644246 37740410 56610615 113221230