Search a number
-
+
670134439 = 13257200579
BaseRepresentation
bin100111111100010…
…111000010100111
31201200222100122001
4213330113002213
52333023300224
6150255150131
722415022502
oct4774270247
91650870561
10670134439
11314300a17
12168515347
13a8ab3670
1465002139
153dc73544
hex27f170a7

670134439 has 8 divisors (see below), whose sum is σ = 724494960. Its totient is φ = 616175616.

The previous prime is 670134433. The next prime is 670134457. The reversal of 670134439 is 934431076.

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

It is a cyclic number.

It is not a de Polignac number, because 670134439 - 29 = 670133927 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 670134398 and 670134407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (670134433) 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, 96949 + ... + 103630.

It is an arithmetic number, because the mean of its divisors is an integer number (90561870).

Almost surely, 2670134439 is an apocalyptic number.

670134439 is a deficient number, since it is larger than the sum of its proper divisors (54360521).

670134439 is a wasteful number, since it uses less digits than its factorization.

670134439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200849.

The product of its (nonzero) digits is 54432, while the sum is 37.

The square root of 670134439 is about 25886.9549966774. The cubic root of 670134439 is about 875.0925350844.

The spelling of 670134439 in words is "six hundred seventy million, one hundred thirty-four thousand, four hundred thirty-nine".

Divisors: 1 13 257 3341 200579 2607527 51548803 670134439