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113220016 = 2471377761
BaseRepresentation
bin1101011111110…
…01100110110000
321220001011122221
412233321212300
5212441020031
615122410424
72543232340
oct657714660
9256034587
10113220016
1158a00968
1231b00a14
131a5c1bc0
1411072d20
159e16a11
hex6bf99b0

113220016 has 40 divisors (see below), whose sum is σ = 269989664. Its totient is φ = 44789760.

The previous prime is 113220013. The next prime is 113220043. The reversal of 113220016 is 610022311.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is not an unprimeable number, because it can be changed into a prime (113220013) 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, 37425 + ... + 40336.

Almost surely, 2113220016 is an apocalyptic number.

113220016 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

113220016 is an abundant number, since it is smaller than the sum of its proper divisors (156769648).

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

113220016 is a wasteful number, since it uses less digits than its factorization.

113220016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77789 (or 77783 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 113220016 is about 10640.4894624261. The cubic root of 113220016 is about 483.7723811887.

Adding to 113220016 its reverse (610022311), we get a palindrome (723242327).

The spelling of 113220016 in words is "one hundred thirteen million, two hundred twenty thousand, sixteen".

Divisors: 1 2 4 7 8 13 14 16 26 28 52 56 91 104 112 182 208 364 728 1456 77761 155522 311044 544327 622088 1010893 1088654 1244176 2021786 2177308 4043572 4354616 7076251 8087144 8709232 14152502 16174288 28305004 56610008 113220016