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670120369 = 1036506023
BaseRepresentation
bin100111111100010…
…011100110110001
31201200221122022221
4213330103212301
52333022322434
6150255001041
722414633462
oct4774234661
91650848287
10670120369
113142a1396
12168509181
13a8aaa139
1464ddad69
153dc6e2b4
hex27f139b1

670120369 has 4 divisors (see below), whose sum is σ = 676626496. Its totient is φ = 663614244.

The previous prime is 670120351. The next prime is 670120391. The reversal of 670120369 is 963021076.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 670120369 - 217 = 669989297 is a prime.

It is a super-2 number, since 2×6701203692 = 898122617897392322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (670120069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3252909 + ... + 3253114.

It is an arithmetic number, because the mean of its divisors is an integer number (169156624).

Almost surely, 2670120369 is an apocalyptic number.

It is an amenable number.

670120369 is a deficient number, since it is larger than the sum of its proper divisors (6506127).

670120369 is a wasteful number, since it uses less digits than its factorization.

670120369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6506126.

The product of its (nonzero) digits is 13608, while the sum is 34.

The square root of 670120369 is about 25886.6832367532. The cubic root of 670120369 is about 875.0864106227.

The spelling of 670120369 in words is "six hundred seventy million, one hundred twenty thousand, three hundred sixty-nine".

Divisors: 1 103 6506023 670120369