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100220200 = 23522321787
BaseRepresentation
bin1011111100100…
…11110100101000
320222120201021021
411332103310220
5201124021300
613540022224
72324600113
oct576236450
9228521237
10100220200
1151631a13
1229691974
13179bcac2
14d44b57a
158be9d1a
hex5f93d28

100220200 has 48 divisors (see below), whose sum is σ = 243154080. Its totient is φ = 38343360.

The previous prime is 100220189. The next prime is 100220203. The reversal of 100220200 is 2022001.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (100220203) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6294 + ... + 15493.

It is an arithmetic number, because the mean of its divisors is an integer number (5065710).

Almost surely, 2100220200 is an apocalyptic number.

100220200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100220200 is an abundant number, since it is smaller than the sum of its proper divisors (142933880).

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

100220200 is a wasteful number, since it uses less digits than its factorization.

100220200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21826 (or 21817 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 7.

The square root of 100220200 is about 10011.0039456590. The cubic root of 100220200 is about 464.4993262188.

Adding to 100220200 its reverse (2022001), we get a palindrome (102242201).

The spelling of 100220200 in words is "one hundred million, two hundred twenty thousand, two hundred".

Divisors: 1 2 4 5 8 10 20 23 25 40 46 50 92 100 115 184 200 230 460 575 920 1150 2300 4600 21787 43574 87148 108935 174296 217870 435740 501101 544675 871480 1002202 1089350 2004404 2178700 2505505 4008808 4357400 5011010 10022020 12527525 20044040 25055050 50110100 100220200