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670704 = 24389157
BaseRepresentation
bin10100011101111110000
31021002000220
42203233300
5132430304
622213040
75462256
oct2435760
91232026
10670704
11418a01
12284180
131a6388
141365d6
15d3ad9
hexa3bf0

670704 has 40 divisors (see below), whose sum is σ = 1763280. Its totient is φ = 219648.

The previous prime is 670693. The next prime is 670711. The reversal of 670704 is 407076.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4194 + ... + 4350.

It is an arithmetic number, because the mean of its divisors is an integer number (44082).

2670704 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 670704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (881640).

670704 is an abundant number, since it is smaller than the sum of its proper divisors (1092576).

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

670704 is a wasteful number, since it uses less digits than its factorization.

670704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257 (or 251 counting only the distinct ones).

The product of its (nonzero) digits is 1176, while the sum is 24.

The square root of 670704 is about 818.9652007259. The cubic root of 670704 is about 87.5340384576.

The spelling of 670704 in words is "six hundred seventy thousand, seven hundred four".

Divisors: 1 2 3 4 6 8 12 16 24 48 89 157 178 267 314 356 471 534 628 712 942 1068 1256 1424 1884 2136 2512 3768 4272 7536 13973 27946 41919 55892 83838 111784 167676 223568 335352 670704