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7068087 = 331321549
BaseRepresentation
bin11010111101100110110111
3111022002121000
4122331212313
53302134322
6411254343
7114035445
oct32754667
914262530
107068087
113a983a4
12244a3b3
131606200
14d1db95
159493ac
hex6bd9b7

7068087 has 24 divisors (see below), whose sum is σ = 11346000. Its totient is φ = 4346784.

The previous prime is 7068077. The next prime is 7068101. The reversal of 7068087 is 7808607.

It is a happy number.

It is not a de Polignac number, because 7068087 - 24 = 7068071 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7068007) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3789 + ... + 5337.

It is an arithmetic number, because the mean of its divisors is an integer number (472750).

Almost surely, 27068087 is an apocalyptic number.

7068087 is a deficient number, since it is larger than the sum of its proper divisors (4277913).

7068087 is a wasteful number, since it uses less digits than its factorization.

7068087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1584 (or 1565 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 36.

The square root of 7068087 is about 2658.5874068761. The cubic root of 7068087 is about 191.9113360151.

The spelling of 7068087 in words is "seven million, sixty-eight thousand, eighty-seven".

Divisors: 1 3 9 13 27 39 117 169 351 507 1521 1549 4563 4647 13941 20137 41823 60411 181233 261781 543699 785343 2356029 7068087