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108004409 = 1071009387
BaseRepresentation
bin1100111000000…
…00010000111001
321112020012012022
412130000100321
5210122120114
614414524225
72451010442
oct634002071
9245205168
10108004409
1155a69347
1230206675
13194b6c46
14104b62c9
15973648e
hex6700439

108004409 has 4 divisors (see below), whose sum is σ = 109013904. Its totient is φ = 106994916.

The previous prime is 108004399. The next prime is 108004447. The reversal of 108004409 is 904400801.

108004409 = T1367 + T1368 + ... + T1473.

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 108004409 - 28 = 108004153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (108004459) 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, 504587 + ... + 504800.

It is an arithmetic number, because the mean of its divisors is an integer number (27253476).

Almost surely, 2108004409 is an apocalyptic number.

It is an amenable number.

108004409 is a deficient number, since it is larger than the sum of its proper divisors (1009495).

108004409 is a wasteful number, since it uses less digits than its factorization.

108004409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1009494.

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 108004409 is about 10392.5169713597. The cubic root of 108004409 is about 476.2267959201.

The spelling of 108004409 in words is "one hundred eight million, four thousand, four hundred nine".

Divisors: 1 107 1009387 108004409