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672834 = 23112139
BaseRepresentation
bin10100100010001000010
31021011221210
42210101002
5133012314
622230550
75501421
oct2442102
91234853
10672834
1141a568
12285456
131a7336
141372b8
15d4559
hexa4442

672834 has 8 divisors (see below), whose sum is σ = 1345680. Its totient is φ = 224276.

The previous prime is 672827. The next prime is 672863. The reversal of 672834 is 438276.

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

672834 is an admirable number.

It is a nialpdrome in base 16.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 672834.

It is an unprimeable number.

672834 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is an upside-down number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56064 + ... + 56075.

It is an arithmetic number, because the mean of its divisors is an integer number (168210).

2672834 is an apocalyptic number.

672834 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

672834 is a wasteful number, since it uses less digits than its factorization.

672834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112144.

The product of its digits is 8064, while the sum is 30.

The square root of 672834 is about 820.2645914581. The cubic root of 672834 is about 87.6266031251.

The spelling of 672834 in words is "six hundred seventy-two thousand, eight hundred thirty-four".

Divisors: 1 2 3 6 112139 224278 336417 672834