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3381739 = 7874297
BaseRepresentation
bin1100111001100111101011
320100210212121
430321213223
51331203424
6200252111
740513204
oct14714753
96323777
103381739
1119aa829
121171037
1391533a
146405ab
1546bee4
hex3399eb

3381739 has 4 divisors (see below), whose sum is σ = 3386824. Its totient is φ = 3376656.

The previous prime is 3381727. The next prime is 3381743. The reversal of 3381739 is 9371833.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9371833 = 23407471.

It is a cyclic number.

It is not a de Polignac number, because 3381739 - 213 = 3373547 is a prime.

It is a super-2 number, since 2×33817392 = 22872317328242, which contains 22 as substring.

It is a Duffinian number.

3381739 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3381709) 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, 1362 + ... + 2935.

It is an arithmetic number, because the mean of its divisors is an integer number (846706).

Almost surely, 23381739 is an apocalyptic number.

3381739 is a deficient number, since it is larger than the sum of its proper divisors (5085).

3381739 is an equidigital number, since it uses as much as digits as its factorization.

3381739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5084.

The product of its digits is 13608, while the sum is 34.

The square root of 3381739 is about 1838.9505159193. The cubic root of 3381739 is about 150.0997706611.

It can be divided in two parts, 33817 and 39, that added together give a square (33856 = 1842).

The spelling of 3381739 in words is "three million, three hundred eighty-one thousand, seven hundred thirty-nine".

Divisors: 1 787 4297 3381739