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670241 = 111343109
BaseRepresentation
bin10100011101000100001
31021001101202
42203220201
5132421431
622210545
75461025
oct2435041
91231352
10670241
11418620
12283a55
131a60c0
14136385
15d38cb
hexa3a21

670241 has 16 divisors (see below), whose sum is σ = 813120. Its totient is φ = 544320.

The previous prime is 670237. The next prime is 670249. The reversal of 670241 is 142076.

It is a cyclic number.

It is not a de Polignac number, because 670241 - 22 = 670237 is a prime.

It is not an unprimeable number, because it can be changed into a prime (670249) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6095 + ... + 6203.

It is an arithmetic number, because the mean of its divisors is an integer number (50820).

2670241 is an apocalyptic number.

670241 is the 473-rd octagonal number.

It is an amenable number.

670241 is a deficient number, since it is larger than the sum of its proper divisors (142879).

670241 is a wasteful number, since it uses less digits than its factorization.

670241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176.

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 670241 is about 818.6824781318. The cubic root of 670241 is about 87.5138916720.

The spelling of 670241 in words is "six hundred seventy thousand, two hundred forty-one".

Divisors: 1 11 13 43 109 143 473 559 1199 1417 4687 6149 15587 51557 60931 670241