Search a number
-
+
670341138 = 23533895419
BaseRepresentation
bin100111111101001…
…001100000010010
31201201100212011120
4213331021200102
52333101404023
6150303423110
722416543225
oct4775114022
91651325146
10670341138
11314432245
121685b4a96
13a8b5677c
14650575bc
153dcb48e3
hex27f49812

670341138 has 32 divisors (see below), whose sum is σ = 1369742400. Its totient is φ = 218627136.

The previous prime is 670341121. The next prime is 670341143. The reversal of 670341138 is 831143076.

It is a junction number, because it is equal to n+sod(n) for n = 670341099 and 670341108.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 120993 + ... + 126411.

It is an arithmetic number, because the mean of its divisors is an integer number (42804450).

Almost surely, 2670341138 is an apocalyptic number.

670341138 is an abundant number, since it is smaller than the sum of its proper divisors (699401262).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

670341138 is a wasteful number, since it uses less digits than its factorization.

670341138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5866.

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 670341138 is about 25890.9470278706. The cubic root of 670341138 is about 875.1824982059.

The spelling of 670341138 in words is "six hundred seventy million, three hundred forty-one thousand, one hundred thirty-eight".

Divisors: 1 2 3 6 53 106 159 318 389 778 1167 2334 5419 10838 16257 20617 32514 41234 61851 123702 287207 574414 861621 1723242 2107991 4215982 6323973 12647946 111723523 223447046 335170569 670341138