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100744079 = 313249809
BaseRepresentation
bin1100000000100…
…11101110001111
321000120022220012
412000103232033
5201242302304
613555143435
72332211342
oct600235617
9230508805
10100744079
115195a577
12298a4b7b
1317b443a7
14d546459
158ca016e
hex6013b8f

100744079 has 4 divisors (see below), whose sum is σ = 103993920. Its totient is φ = 97494240.

The previous prime is 100744073. The next prime is 100744087. The reversal of 100744079 is 970447001.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 100744079 - 220 = 99695503 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100744073) 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, 1624874 + ... + 1624935.

It is an arithmetic number, because the mean of its divisors is an integer number (25998480).

Almost surely, 2100744079 is an apocalyptic number.

100744079 is a deficient number, since it is larger than the sum of its proper divisors (3249841).

100744079 is an equidigital number, since it uses as much as digits as its factorization.

100744079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3249840.

The product of its (nonzero) digits is 7056, while the sum is 32.

The square root of 100744079 is about 10037.1349995903. The cubic root of 100744079 is about 465.3072759966.

The spelling of 100744079 in words is "one hundred million, seven hundred forty-four thousand, seventy-nine".

Divisors: 1 31 3249809 100744079