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408313 = 2231831
BaseRepresentation
bin1100011101011111001
3202202002201
41203223321
5101031223
612430201
73320263
oct1435371
9682081
10408313
11259854
12178361
13113b09
14a8b33
1580ead
hex63af9

408313 has 4 divisors (see below), whose sum is σ = 410368. Its totient is φ = 406260.

The previous prime is 408311. The next prime is 408337. The reversal of 408313 is 313804.

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 408313 - 21 = 408311 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (408311) 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, 693 + ... + 1138.

It is an arithmetic number, because the mean of its divisors is an integer number (102592).

2408313 is an apocalyptic number.

It is an amenable number.

408313 is a deficient number, since it is larger than the sum of its proper divisors (2055).

408313 is a wasteful number, since it uses less digits than its factorization.

408313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2054.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 408313 is about 638.9937401884. The cubic root of 408313 is about 74.1875568530.

It can be divided in two parts, 4083 and 13, that added together give a 12-th power (4096 = 212).

The spelling of 408313 in words is "four hundred eight thousand, three hundred thirteen".

Divisors: 1 223 1831 408313