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675958087 = 7213795063
BaseRepresentation
bin101000010010100…
…100110101000111
31202002221020011201
4220102210311013
52341021124322
6151024043331
722515356200
oct5022446507
91662836151
10675958087
11317619352
1216a463547
13aa0722cc
1465aba5a7
153e523d27
hex284a4d47

675958087 has 6 divisors (see below), whose sum is σ = 786318648. Its totient is φ = 579392604.

The previous prime is 675958067. The next prime is 675958091. The reversal of 675958087 is 780859576.

It is not a de Polignac number, because 675958087 - 27 = 675957959 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (675958037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6897483 + ... + 6897580.

It is an arithmetic number, because the mean of its divisors is an integer number (131053108).

Almost surely, 2675958087 is an apocalyptic number.

675958087 is a deficient number, since it is larger than the sum of its proper divisors (110360561).

675958087 is a wasteful number, since it uses less digits than its factorization.

675958087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13795077 (or 13795070 counting only the distinct ones).

The product of its (nonzero) digits is 4233600, while the sum is 55.

The square root of 675958087 is about 25999.1939682752. The cubic root of 675958087 is about 877.6201568672.

It can be divided in two parts, 6759 and 58087, that added together give a palindrome (64846).

The spelling of 675958087 in words is "six hundred seventy-five million, nine hundred fifty-eight thousand, eighty-seven".

Divisors: 1 7 49 13795063 96565441 675958087