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108112621 = 432514247
BaseRepresentation
bin1100111000110…
…10101011101101
321112102200122011
412130122223231
5210134100441
614421121221
72451641101
oct634325355
9245380564
10108112621
1156032681
1230259211
1319524286
1410503901
159758581
hex671aaed

108112621 has 4 divisors (see below), whose sum is σ = 110626912. Its totient is φ = 105598332.

The previous prime is 108112583. The next prime is 108112649. The reversal of 108112621 is 126211801.

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 108112621 - 211 = 108110573 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 108112592 and 108112601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108112681) 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, 1257081 + ... + 1257166.

It is an arithmetic number, because the mean of its divisors is an integer number (27656728).

Almost surely, 2108112621 is an apocalyptic number.

It is an amenable number.

108112621 is a deficient number, since it is larger than the sum of its proper divisors (2514291).

108112621 is an equidigital number, since it uses as much as digits as its factorization.

108112621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2514290.

The product of its (nonzero) digits is 192, while the sum is 22.

The square root of 108112621 is about 10397.7219139579. The cubic root of 108112621 is about 476.3857902095.

The spelling of 108112621 in words is "one hundred eight million, one hundred twelve thousand, six hundred twenty-one".

Divisors: 1 43 2514247 108112621