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670960 = 2458387
BaseRepresentation
bin10100011110011110000
31021002101101
42203303300
5132432320
622214144
75463103
oct2436360
91232341
10670960
11419114
12284354
131a6524
1413673a
15d3c0a
hexa3cf0

670960 has 20 divisors (see below), whose sum is σ = 1560168. Its totient is φ = 268352.

The previous prime is 670951. The next prime is 670963. The reversal of 670960 is 69076.

670960 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (670963) by changing a digit.

670960 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, 4114 + ... + 4273.

2670960 is an apocalyptic number.

It is an amenable number.

670960 is an abundant number, since it is smaller than the sum of its proper divisors (889208).

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

670960 is a wasteful number, since it uses less digits than its factorization.

670960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8400 (or 8394 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 28.

The square root of 670960 is about 819.1214806120. The cubic root of 670960 is about 87.5451739528.

The spelling of 670960 in words is "six hundred seventy thousand, nine hundred sixty".

Divisors: 1 2 4 5 8 10 16 20 40 80 8387 16774 33548 41935 67096 83870 134192 167740 335480 670960