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100443379 = 314916599
BaseRepresentation
bin1011111110010…
…10010011110011
321000000001102011
411333022103303
5201203142004
613544503351
72326516561
oct577122363
9230001364
10100443379
1151774663
122977ab57
1317a6a56a
14d4a8a31
158c41004
hex5fca4f3

100443379 has 8 divisors (see below), whose sum is σ = 103910400. Its totient is φ = 96990600.

The previous prime is 100443377. The next prime is 100443397. The reversal of 100443379 is 973344001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 100443379 - 21 = 100443377 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 100443379.

It is not an unprimeable number, because it can be changed into a prime (100443377) 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, 11922 + ... + 18520.

It is an arithmetic number, because the mean of its divisors is an integer number (12988800).

Almost surely, 2100443379 is an apocalyptic number.

100443379 is a deficient number, since it is larger than the sum of its proper divisors (3467021).

100443379 is an equidigital number, since it uses as much as digits as its factorization.

100443379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7121.

The product of its (nonzero) digits is 9072, while the sum is 31.

The square root of 100443379 is about 10022.1444312083. The cubic root of 100443379 is about 464.8438663381.

The spelling of 100443379 in words is "one hundred million, four hundred forty-three thousand, three hundred seventy-nine".

Divisors: 1 31 491 6599 15221 204569 3240109 100443379