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670433 = 1275279
BaseRepresentation
bin10100011101011100001
31021001122212
42203223201
5132423213
622211505
75461421
oct2435341
91231585
10670433
11418785
12283b95
131a620a
14136481
15d39a8
hexa3ae1

670433 has 4 divisors (see below), whose sum is σ = 675840. Its totient is φ = 665028.

The previous prime is 670409. The next prime is 670447. The reversal of 670433 is 334076.

670433 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 670433 - 28 = 670177 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 670399 and 670408.

It is not an unprimeable number, because it can be changed into a prime (670493) 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, 2513 + ... + 2766.

It is an arithmetic number, because the mean of its divisors is an integer number (168960).

2670433 is an apocalyptic number.

It is an amenable number.

670433 is a deficient number, since it is larger than the sum of its proper divisors (5407).

670433 is a wasteful number, since it uses less digits than its factorization.

670433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5406.

The product of its (nonzero) digits is 1512, while the sum is 23.

The square root of 670433 is about 818.7997313141. The cubic root of 670433 is about 87.5222474042.

The spelling of 670433 in words is "six hundred seventy thousand, four hundred thirty-three".

Divisors: 1 127 5279 670433