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670272 = 2633491
BaseRepresentation
bin10100011101001000000
31021001102220
42203221000
5132422042
622211040
75461101
oct2435100
91231386
10670272
11418649
12283a80
131a6115
141363a8
15d38ec
hexa3a40

670272 has 28 divisors (see below), whose sum is σ = 1773936. Its totient is φ = 223360.

The previous prime is 670261. The next prime is 670279. The reversal of 670272 is 272076.

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

It is not an unprimeable number, because it can be changed into a prime (670279) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1554 + ... + 1937.

2670272 is an apocalyptic number.

It is an amenable number.

670272 is an abundant number, since it is smaller than the sum of its proper divisors (1103664).

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

670272 is a wasteful number, since it uses less digits than its factorization.

670272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3506 (or 3496 counting only the distinct ones).

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

The square root of 670272 is about 818.7014107720. The cubic root of 670272 is about 87.5152408826.

The spelling of 670272 in words is "six hundred seventy thousand, two hundred seventy-two".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 64 96 192 3491 6982 10473 13964 20946 27928 41892 55856 83784 111712 167568 223424 335136 670272