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103719997 = 163636319
BaseRepresentation
bin1100010111010…
…10010000111101
321020011112002101
412023222100331
5203023014442
614143025101
72366414443
oct613522075
9236145071
10103719997
1153602407
122a89b191
1318646aa4
14dabcb93
15918bcb7
hex62ea43d

103719997 has 4 divisors (see below), whose sum is σ = 104356480. Its totient is φ = 103083516.

The previous prime is 103719989. The next prime is 103720003. The reversal of 103719997 is 799917301.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 103719997 - 23 = 103719989 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 (103719097) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 317997 + ... + 318322.

It is an arithmetic number, because the mean of its divisors is an integer number (26089120).

Almost surely, 2103719997 is an apocalyptic number.

It is an amenable number.

103719997 is a deficient number, since it is larger than the sum of its proper divisors (636483).

103719997 is an equidigital number, since it uses as much as digits as its factorization.

103719997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 636482.

The product of its (nonzero) digits is 107163, while the sum is 46.

The square root of 103719997 is about 10184.3014978937. The cubic root of 103719997 is about 469.8445192667.

The spelling of 103719997 in words is "one hundred three million, seven hundred nineteen thousand, nine hundred ninety-seven".

Divisors: 1 163 636319 103719997