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108764041 = 104292
BaseRepresentation
bin1100111101110…
…01101110001001
321120122210012211
412132321232021
5210320422131
614443105121
72460323221
oct636715611
9246583184
10108764041
1156438041
12305121a1
13196c1929
1410633081
1598365b1
hex67b9b89

108764041 has 3 divisors (see below), whose sum is σ = 108774471. Its totient is φ = 108753612.

The previous prime is 108764017. The next prime is 108764059. The reversal of 108764041 is 140467801.

The square root of 108764041 is 10429.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 107723641 + 1040400 = 10379^2 + 1020^2 .

It is not a de Polignac number, because 108764041 - 211 = 108761993 is a prime.

It is a super-2 number, since 2×1087640412 = 23659233229299362, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 108763994 and 108764012.

It is not an unprimeable number, because it can be changed into a prime (108764641) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 5215 + ... + 15643.

It is an arithmetic number, because the mean of its divisors is an integer number (36258157).

Almost surely, 2108764041 is an apocalyptic number.

108764041 is the 10429-th square number.

108764041 is the 5215-th centered octagonal number.

It is an amenable number.

108764041 is a deficient number, since it is larger than the sum of its proper divisors (10430).

108764041 is an frugal number, since it uses more digits than its factorization.

108764041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20858 (or 10429 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 31.

The cubic root of 108764041 is about 477.3406772721.

The spelling of 108764041 in words is "one hundred eight million, seven hundred sixty-four thousand, forty-one".

Divisors: 1 10429 108764041