Search a number
-
+
660053005 = 5169977699
BaseRepresentation
bin100111010101111…
…001110000001101
31201000000011111121
4213111321300031
52322433144010
6145255120541
722233233533
oct4725716015
91630004447
10660053005
11309645657
12165073151
13a6993a11
146393a153
153ce313da
hex27579c0d

660053005 has 8 divisors (see below), whose sum is σ = 792540000. Its totient is φ = 527724816.

The previous prime is 660052997. The next prime is 660053029. The reversal of 660053005 is 500350066.

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 660053005 - 23 = 660052997 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30355 + ... + 47344.

It is an arithmetic number, because the mean of its divisors is an integer number (99067500).

Almost surely, 2660053005 is an apocalyptic number.

It is an amenable number.

660053005 is a deficient number, since it is larger than the sum of its proper divisors (132486995).

660053005 is a wasteful number, since it uses less digits than its factorization.

660053005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79403.

The product of its (nonzero) digits is 2700, while the sum is 25.

The square root of 660053005 is about 25691.4967450322. The cubic root of 660053005 is about 870.6820762046.

The spelling of 660053005 in words is "six hundred sixty million, fifty-three thousand, five".

Divisors: 1 5 1699 8495 77699 388495 132010601 660053005