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100230918 = 23232233257
BaseRepresentation
bin1011111100101…
…10011100000110
320222121020222020
411332112130012
5201124342133
613540144010
72324643264
oct576263406
9228536866
10100230918
1151639a77
1229698006
13179c4948
14d451434
158bed0b3
hex5f96706

100230918 has 32 divisors (see below), whose sum is σ = 210180096. Its totient is φ = 31804608.

The previous prime is 100230917. The next prime is 100230919. The reversal of 100230918 is 819032001.

It is an interprime number because it is at equal distance from previous prime (100230917) and next prime (100230919).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100230917) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29146 + ... + 32402.

It is an arithmetic number, because the mean of its divisors is an integer number (6568128).

Almost surely, 2100230918 is an apocalyptic number.

100230918 is an abundant number, since it is smaller than the sum of its proper divisors (109949178).

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

100230918 is a wasteful number, since it uses less digits than its factorization.

100230918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3508.

The product of its (nonzero) digits is 432, while the sum is 24.

The square root of 100230918 is about 10011.5392422944. The cubic root of 100230918 is about 464.5158841792.

Adding to 100230918 its reverse (819032001), we get a palindrome (919262919).

The spelling of 100230918 in words is "one hundred million, two hundred thirty thousand, nine hundred eighteen".

Divisors: 1 2 3 6 23 46 69 138 223 446 669 1338 3257 5129 6514 9771 10258 15387 19542 30774 74911 149822 224733 449466 726311 1452622 2178933 4357866 16705153 33410306 50115459 100230918