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670678001 = 795811143
BaseRepresentation
bin100111111110011…
…011101111110001
31201201222222020222
4213332123233301
52333143144001
6150314542425
722422445310
oct4776335761
91651888228
10670678001
11314642344
12168737a15
13a8c43bb6
1465104277
153dd2e61b
hex27f9bbf1

670678001 has 4 divisors (see below), whose sum is σ = 766489152. Its totient is φ = 574866852.

The previous prime is 670677991. The next prime is 670678003. The reversal of 670678001 is 100876076.

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 not a de Polignac number, because 670678001 - 226 = 603569137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (670678003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47905565 + ... + 47905578.

It is an arithmetic number, because the mean of its divisors is an integer number (191622288).

Almost surely, 2670678001 is an apocalyptic number.

It is an amenable number.

670678001 is a deficient number, since it is larger than the sum of its proper divisors (95811151).

670678001 is an equidigital number, since it uses as much as digits as its factorization.

670678001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95811150.

The product of its (nonzero) digits is 14112, while the sum is 35.

The square root of 670678001 is about 25897.4516313864. The cubic root of 670678001 is about 875.3290739392.

The spelling of 670678001 in words is "six hundred seventy million, six hundred seventy-eight thousand, one".

Divisors: 1 7 95811143 670678001