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113221030 = 2513870931
BaseRepresentation
bin1101011111110…
…01110110100110
321220001020001111
412233321312212
5212441033110
615122415234
72543235316
oct657716646
9256036044
10113221030
1158a016aa
1231b0151a
131a5c24c0
1411073446
159e16e8a
hex6bf9da6

113221030 has 16 divisors (see below), whose sum is σ = 219474864. Its totient is φ = 41804640.

The previous prime is 113221027. The next prime is 113221039. The reversal of 113221030 is 30122311.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a self number, because there is not a number n which added to its sum of digits gives 113221030.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113221039) 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, 435336 + ... + 435595.

It is an arithmetic number, because the mean of its divisors is an integer number (13717179).

Almost surely, 2113221030 is an apocalyptic number.

113221030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

113221030 is a deficient number, since it is larger than the sum of its proper divisors (106253834).

113221030 is a wasteful number, since it uses less digits than its factorization.

113221030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 870951.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 113221030 is about 10640.5371105034. The cubic root of 113221030 is about 483.7738254084.

Adding to 113221030 its reverse (30122311), we get a palindrome (143343341).

The spelling of 113221030 in words is "one hundred thirteen million, two hundred twenty-one thousand, thirty".

Divisors: 1 2 5 10 13 26 65 130 870931 1741862 4354655 8709310 11322103 22644206 56610515 113221030