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670911485 = 5379354043
BaseRepresentation
bin100111111111010…
…100101111111101
31201202102211112112
4213333110233331
52333223131420
6150323543405
722424440106
oct4777245775
91652384475
10670911485
11314791802
1216882ab65
13a8cc625a
14651653ad
153dd788c5
hex27fd4bfd

670911485 has 8 divisors (see below), whose sum is σ = 807220320. Its totient is φ = 535311504.

The previous prime is 670911481. The next prime is 670911509. The reversal of 670911485 is 584119076.

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 670911485 - 22 = 670911481 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (670911481) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 175127 + ... + 178916.

It is an arithmetic number, because the mean of its divisors is an integer number (100902540).

Almost surely, 2670911485 is an apocalyptic number.

It is an amenable number.

670911485 is a deficient number, since it is larger than the sum of its proper divisors (136308835).

670911485 is a wasteful number, since it uses less digits than its factorization.

670911485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 354427.

The product of its (nonzero) digits is 60480, while the sum is 41.

The square root of 670911485 is about 25901.9590957904. The cubic root of 670911485 is about 875.4306386350.

The spelling of 670911485 in words is "six hundred seventy million, nine hundred eleven thousand, four hundred eighty-five".

Divisors: 1 5 379 1895 354043 1770215 134182297 670911485