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670252 = 221115233
BaseRepresentation
bin10100011101000101100
31021001102011
42203220230
5132422002
622211004
75461042
oct2435054
91231364
10670252
11418630
12283a64
131a60cb
14136392
15d38d7
hexa3a2c

670252 has 12 divisors (see below), whose sum is σ = 1279656. Its totient is φ = 304640.

The previous prime is 670249. The next prime is 670261. The reversal of 670252 is 252076.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7573 + ... + 7660.

It is an arithmetic number, because the mean of its divisors is an integer number (106638).

2670252 is an apocalyptic number.

It is an amenable number.

670252 is a deficient number, since it is larger than the sum of its proper divisors (609404).

670252 is a wasteful number, since it uses less digits than its factorization.

670252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15248 (or 15246 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 670252 is about 818.6891962155. The cubic root of 670252 is about 87.5143704289.

The spelling of 670252 in words is "six hundred seventy thousand, two hundred fifty-two".

Divisors: 1 2 4 11 22 44 15233 30466 60932 167563 335126 670252