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3457013 = 7493859
BaseRepresentation
bin1101001011111111110101
320111122010112
431023333311
51341111023
6202032405
741245520
oct15137765
96448115
103457013
111a5133a
1211a8705
13940691
1465dbb7
15484478
hex34bff5

3457013 has 4 divisors (see below), whose sum is σ = 3950880. Its totient is φ = 2963148.

The previous prime is 3457007. The next prime is 3457019. The reversal of 3457013 is 3107543.

It is a happy number.

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, and also an emirpimes, since its reverse is a distinct semiprime: 3107543 = 14892087.

It is an interprime number because it is at equal distance from previous prime (3457007) and next prime (3457019).

It is a cyclic number.

It is not a de Polignac number, because 3457013 - 216 = 3391477 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 3457013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3457019) 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, 246923 + ... + 246936.

It is an arithmetic number, because the mean of its divisors is an integer number (987720).

Almost surely, 23457013 is an apocalyptic number.

It is an amenable number.

3457013 is a deficient number, since it is larger than the sum of its proper divisors (493867).

3457013 is an equidigital number, since it uses as much as digits as its factorization.

3457013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 493866.

The product of its (nonzero) digits is 1260, while the sum is 23.

The square root of 3457013 is about 1859.3044398377. The cubic root of 3457013 is about 151.2052965353.

The spelling of 3457013 in words is "three million, four hundred fifty-seven thousand, thirteen".

Divisors: 1 7 493859 3457013