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670263139 = 7137365529
BaseRepresentation
bin100111111100110…
…110011101100011
31201201012220011201
4213330312131203
52333041410024
6150302022031
722416066640
oct4774663543
91651186151
10670263139
11314389687
12168577917
13a8b2a110
1465036dc7
153dc9b744
hex27f36763

670263139 has 8 divisors (see below), whose sum is σ = 824939360. Its totient is φ = 530318016.

The previous prime is 670263137. The next prime is 670263197. The reversal of 670263139 is 931362076.

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 670263139 - 21 = 670263137 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 670263098 and 670263107.

It is not an unprimeable number, because it can be changed into a prime (670263137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3682674 + ... + 3682855.

It is an arithmetic number, because the mean of its divisors is an integer number (103117420).

Almost surely, 2670263139 is an apocalyptic number.

670263139 is a deficient number, since it is larger than the sum of its proper divisors (154676221).

670263139 is a wasteful number, since it uses less digits than its factorization.

670263139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7365549.

The product of its (nonzero) digits is 40824, while the sum is 37.

The square root of 670263139 is about 25889.4406853451. The cubic root of 670263139 is about 875.1485523021.

The spelling of 670263139 in words is "six hundred seventy million, two hundred sixty-three thousand, one hundred thirty-nine".

Divisors: 1 7 13 91 7365529 51558703 95751877 670263139