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3455813 = 10633251
BaseRepresentation
bin1101001011101101000101
320111120111002
431023231011
51341041223
6202023045
741242154
oct15135505
96446432
103455813
111a50449
1211a7a85
1393cc7a
1465d59b
15483e28
hex34bb45

3455813 has 4 divisors (see below), whose sum is σ = 3460128. Its totient is φ = 3451500.

The previous prime is 3455801. The next prime is 3455821. The reversal of 3455813 is 3185543.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-3455813 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3455873) 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, 563 + ... + 2688.

It is an arithmetic number, because the mean of its divisors is an integer number (865032).

Almost surely, 23455813 is an apocalyptic number.

It is an amenable number.

3455813 is a deficient number, since it is larger than the sum of its proper divisors (4315).

3455813 is a wasteful number, since it uses less digits than its factorization.

3455813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4314.

The product of its digits is 7200, while the sum is 29.

The square root of 3455813 is about 1858.9817105071. The cubic root of 3455813 is about 151.1877990257.

The spelling of 3455813 in words is "three million, four hundred fifty-five thousand, eight hundred thirteen".

Divisors: 1 1063 3251 3455813