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3470813 = 13672539
BaseRepresentation
bin1101001111010111011101
320112100001122
431033113131
51342031223
6202220325
741333663
oct15172735
96470048
103470813
111a60745
1211b46a5
13946a48
14664c33
154885c8
hex34f5dd

3470813 has 4 divisors (see below), whose sum is σ = 3474720. Its totient is φ = 3466908.

The previous prime is 3470743. The next prime is 3470821. The reversal of 3470813 is 3180743.

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 a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 3180743 = 10330881.

It is a cyclic number.

It is not a de Polignac number, because 3470813 - 216 = 3405277 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3470113) 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, 98 + ... + 2636.

It is an arithmetic number, because the mean of its divisors is an integer number (868680).

Almost surely, 23470813 is an apocalyptic number.

It is an amenable number.

3470813 is a deficient number, since it is larger than the sum of its proper divisors (3907).

3470813 is a wasteful number, since it uses less digits than its factorization.

3470813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3906.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 3470813 is about 1863.0118088729. The cubic root of 3470813 is about 151.4062274835.

The spelling of 3470813 in words is "three million, four hundred seventy thousand, eight hundred thirteen".

Divisors: 1 1367 2539 3470813