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3909438223 = 17969131607
BaseRepresentation
bin1110100100000101…
…0100101100001111
3101002110022001001021
43221001110230033
531001304010343
61443532455011
7165610451035
oct35101245417
911073261037
103909438223
111726859889
1291131a467
134a3c33b72
142912dc555
1517d3370ed
hexe9054b0f

3909438223 has 8 divisors (see below), whose sum is σ = 3937092480. Its totient is φ = 3881848920.

The previous prime is 3909438217. The next prime is 3909438227. The reversal of 3909438223 is 3228349093.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3909438223 - 217 = 3909307151 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3909438223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3909438227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 107886 + ... + 139492.

It is an arithmetic number, because the mean of its divisors is an integer number (492136560).

Almost surely, 23909438223 is an apocalyptic number.

3909438223 is a deficient number, since it is larger than the sum of its proper divisors (27654257).

3909438223 is a wasteful number, since it uses less digits than its factorization.

3909438223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32477.

The product of its (nonzero) digits is 279936, while the sum is 43.

The square root of 3909438223 is about 62525.5005817626. The cubic root of 3909438223 is about 1575.3296661731.

The spelling of 3909438223 in words is "three billion, nine hundred nine million, four hundred thirty-eight thousand, two hundred twenty-three".

Divisors: 1 179 691 31607 123689 5657653 21840437 3909438223