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338886961 = 748412423
BaseRepresentation
bin10100001100110…
…000000100110001
3212121200020111221
4110030300010301
51143223340321
653343305041
711253330430
oct2414600461
9777606457
10338886961
11164324876
12955ab181
1355294b3a
1433017117
151eb40e41
hex14330131

338886961 has 4 divisors (see below), whose sum is σ = 387299392. Its totient is φ = 290474532.

The previous prime is 338886937. The next prime is 338886971. The reversal of 338886961 is 169688833.

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 338886961 - 27 = 338886833 is a prime.

It is a super-2 number, since 2×3388869612 = 229688744671631042, 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 = 338886899 and 338886908.

It is not an unprimeable number, because it can be changed into a prime (338886901) 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, 24206205 + ... + 24206218.

It is an arithmetic number, because the mean of its divisors is an integer number (96824848).

Almost surely, 2338886961 is an apocalyptic number.

It is an amenable number.

338886961 is a deficient number, since it is larger than the sum of its proper divisors (48412431).

338886961 is an equidigital number, since it uses as much as digits as its factorization.

338886961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48412430.

The product of its digits is 1492992, while the sum is 52.

The square root of 338886961 is about 18408.8826657133. The cubic root of 338886961 is about 697.1907552877.

The spelling of 338886961 in words is "three hundred thirty-eight million, eight hundred eighty-six thousand, nine hundred sixty-one".

Divisors: 1 7 48412423 338886961