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507985 = 5283359
BaseRepresentation
bin1111100000001010001
3221210211021
41330001101
5112223420
614515441
74214002
oct1740121
9853737
10507985
11317725
12205b81
1314a2aa
14d31a9
15a07aa
hex7c051

507985 has 8 divisors (see below), whose sum is σ = 613440. Its totient is φ = 403824.

The previous prime is 507979. The next prime is 508009. The reversal of 507985 is 589705.

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 507985 - 25 = 507953 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 507985.

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, 1236 + ... + 1594.

It is an arithmetic number, because the mean of its divisors is an integer number (76680).

2507985 is an apocalyptic number.

It is an amenable number.

507985 is a deficient number, since it is larger than the sum of its proper divisors (105455).

507985 is a wasteful number, since it uses less digits than its factorization.

507985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 647.

The product of its (nonzero) digits is 12600, while the sum is 34.

The square root of 507985 is about 712.7306644168. The cubic root of 507985 is about 79.7903364114.

The spelling of 507985 in words is "five hundred seven thousand, nine hundred eighty-five".

Divisors: 1 5 283 359 1415 1795 101597 507985