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669230 = 2566923
BaseRepresentation
bin10100011011000101110
31021000000022
42203120232
5132403410
622202142
75455052
oct2433056
91230008
10669230
11417891
12283352
131a57c3
14135c62
15d3455
hexa362e

669230 has 8 divisors (see below), whose sum is σ = 1204632. Its totient is φ = 267688.

The previous prime is 669181. The next prime is 669241. The reversal of 669230 is 32966.

669230 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 669230.

It is a congruent number.

It is an unprimeable number.

669230 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33452 + ... + 33471.

It is an arithmetic number, because the mean of its divisors is an integer number (150579).

2669230 is an apocalyptic number.

669230 is a deficient number, since it is larger than the sum of its proper divisors (535402).

669230 is a wasteful number, since it uses less digits than its factorization.

669230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66930.

The product of its (nonzero) digits is 1944, while the sum is 26.

The square root of 669230 is about 818.0647896102. The cubic root of 669230 is about 87.4698671752.

The spelling of 669230 in words is "six hundred sixty-nine thousand, two hundred thirty".

Divisors: 1 2 5 10 66923 133846 334615 669230