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100110220 = 2257715073
BaseRepresentation
bin1011111011110…
…00111110001100
320222101010101221
411331320332030
5201112011340
613533413124
72323631350
oct575707614
9228333357
10100110220
1151567321
122963a1a4
1317981a22
14d41d460
158bc744a
hex5f78f8c

100110220 has 24 divisors (see below), whose sum is σ = 240264864. Its totient is φ = 34323456.

The previous prime is 100110193. The next prime is 100110223. The reversal of 100110220 is 22011001.

It is a super-2 number, since 2×1001102202 = 20044112296896800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (7).

It is not an unprimeable number, because it can be changed into a prime (100110223) 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 7 ways as a sum of consecutive naturals, for example, 357397 + ... + 357676.

It is an arithmetic number, because the mean of its divisors is an integer number (10011036).

Almost surely, 2100110220 is an apocalyptic number.

100110220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100110220 is an abundant number, since it is smaller than the sum of its proper divisors (140154644).

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

100110220 is a wasteful number, since it uses less digits than its factorization.

100110220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 715089 (or 715087 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 7.

The square root of 100110220 is about 10005.5094822803. The cubic root of 100110220 is about 464.3293527199.

Adding to 100110220 its reverse (22011001), we get a palindrome (122121221).

The spelling of 100110220 in words is "one hundred million, one hundred ten thousand, two hundred twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 715073 1430146 2860292 3575365 5005511 7150730 10011022 14301460 20022044 25027555 50055110 100110220