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100198468 = 22109229813
BaseRepresentation
bin1011111100011…
…10100001000100
320222112121110101
411332032201010
5201122322333
613535333444
72324446546
oct576164104
9228477411
10100198468
1151617657
1229681284
13179b2c46
14d443696
158be367d
hex5f8e844

100198468 has 12 divisors (see below), whose sum is σ = 176956780. Its totient is φ = 49639392.

The previous prime is 100198463. The next prime is 100198487. The reversal of 100198468 is 864891001.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 80856064 + 19342404 = 8992^2 + 4398^2 .

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (100198463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 114471 + ... + 115342.

Almost surely, 2100198468 is an apocalyptic number.

It is an amenable number.

100198468 is a deficient number, since it is larger than the sum of its proper divisors (76758312).

100198468 is a wasteful number, since it uses less digits than its factorization.

100198468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229926 (or 229924 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 37.

The square root of 100198468 is about 10009.9184811865. The cubic root of 100198468 is about 464.4657493913.

The spelling of 100198468 in words is "one hundred million, one hundred ninety-eight thousand, four hundred sixty-eight".

Divisors: 1 2 4 109 218 436 229813 459626 919252 25049617 50099234 100198468