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3238974681 = 31736240799
BaseRepresentation
bin1100000100001110…
…1101010011011001
322100201200221222020
43001003231103121
523113134142211
61253222245053
7143156554605
oct30103552331
98321627866
103238974681
111412353688
12764886789
133c8066787
1422a252505
1513e54b306
hexc10ed4d9

3238974681 has 8 divisors (see below), whose sum is σ = 4343596800. Its totient is φ = 2146834512.

The previous prime is 3238974677. The next prime is 3238974721. The reversal of 3238974681 is 1864798323.

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

It is not a de Polignac number, because 3238974681 - 22 = 3238974677 is a prime.

It is a super-2 number, since 2×32389746812 = 20981913968318103522, which contains 22 as substring.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (3238974601) 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, 3119881 + ... + 3120918.

It is an arithmetic number, because the mean of its divisors is an integer number (542949600).

Almost surely, 23238974681 is an apocalyptic number.

It is an amenable number.

3238974681 is a deficient number, since it is larger than the sum of its proper divisors (1104622119).

3238974681 is a wasteful number, since it uses less digits than its factorization.

3238974681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6240975.

The product of its digits is 1741824, while the sum is 51.

The square root of 3238974681 is about 56911.9906610198. The cubic root of 3238974681 is about 1479.5711383711.

The spelling of 3238974681 in words is "three billion, two hundred thirty-eight million, nine hundred seventy-four thousand, six hundred eighty-one".

Divisors: 1 3 173 519 6240799 18722397 1079658227 3238974681