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1406313 = 32156257
BaseRepresentation
bin101010111010101101001
32122110002200
411113111221
5330000223
650050413
714645016
oct5272551
92573080
101406313
11880647
12579a09
133a314c
1428870d
151cba43
hex157569

1406313 has 6 divisors (see below), whose sum is σ = 2031354. Its totient is φ = 937536.

The previous prime is 1406311. The next prime is 1406351. The reversal of 1406313 is 3136041.

It can be written as a sum of positive squares in only one way, i.e., 870489 + 535824 = 933^2 + 732^2 .

It is not a de Polignac number, because 1406313 - 21 = 1406311 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1406311) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 78120 + ... + 78137.

It is an arithmetic number, because the mean of its divisors is an integer number (338559).

21406313 is an apocalyptic number.

It is an amenable number.

1406313 is a deficient number, since it is larger than the sum of its proper divisors (625041).

1406313 is a wasteful number, since it uses less digits than its factorization.

1406313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156263 (or 156260 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 1406313 is about 1185.8806853980. The cubic root of 1406313 is about 112.0367916967.

The spelling of 1406313 in words is "one million, four hundred six thousand, three hundred thirteen".

Divisors: 1 3 9 156257 468771 1406313