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670268 = 22416167
BaseRepresentation
bin10100011101000111100
31021001102202
42203220330
5132422033
622211032
75461064
oct2435074
91231382
10670268
11418645
12283a78
131a6111
141363a4
15d38e8
hexa3a3c

670268 has 24 divisors (see below), whose sum is σ = 1239504. Its totient is φ = 316800.

The previous prime is 670261. The next prime is 670279. The reversal of 670268 is 862076.

670268 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 670268.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (670261) by changing a digit.

670268 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 7 ways as a sum of consecutive naturals, for example, 9971 + ... + 10037.

It is an arithmetic number, because the mean of its divisors is an integer number (51646).

2670268 is an apocalyptic number.

It is an amenable number.

670268 is a deficient number, since it is larger than the sum of its proper divisors (569236).

670268 is a wasteful number, since it uses less digits than its factorization.

670268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173 (or 171 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 670268 is about 818.6989678753. The cubic root of 670268 is about 87.5150667932.

The spelling of 670268 in words is "six hundred seventy thousand, two hundred sixty-eight".

Divisors: 1 2 4 41 61 67 82 122 134 164 244 268 2501 2747 4087 5002 5494 8174 10004 10988 16348 167567 335134 670268