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670342593 = 3811275521
BaseRepresentation
bin100111111101001…
…001110111000001
31201201100221011110
4213331021313001
52333101430333
6150303433533
722416550404
oct4775116701
91651327143
10670342593
11314433348
121685b58a9
13a8b5732b
1465057d3b
153dcb5063
hex27f49dc1

670342593 has 8 divisors (see below), whose sum is σ = 894895456. Its totient is φ = 446342400.

The previous prime is 670342583. The next prime is 670342633. The reversal of 670342593 is 395243076.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 670342593 - 29 = 670342081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (670342513) 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 7 ways as a sum of consecutive naturals, for example, 135328 + ... + 140193.

It is an arithmetic number, because the mean of its divisors is an integer number (111861932).

Almost surely, 2670342593 is an apocalyptic number.

It is an amenable number.

670342593 is a deficient number, since it is larger than the sum of its proper divisors (224552863).

670342593 is a wasteful number, since it uses less digits than its factorization.

670342593 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276335.

The product of its (nonzero) digits is 136080, while the sum is 39.

The square root of 670342593 is about 25890.9751264799. The cubic root of 670342593 is about 875.1831314107.

The spelling of 670342593 in words is "six hundred seventy million, three hundred forty-two thousand, five hundred ninety-three".

Divisors: 1 3 811 2433 275521 826563 223447531 670342593