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7068040 = 235725243
BaseRepresentation
bin11010111101100110001000
3111022002112021
4122331212020
53302134130
6411254224
7114035350
oct32754610
914262467
107068040
113a98361
12244a374
131606195
14d1db60
1594937a
hex6bd988

7068040 has 32 divisors (see below), whose sum is σ = 18175680. Its totient is φ = 2423232.

The previous prime is 7068013. The next prime is 7068049. The reversal of 7068040 is 408607.

7068040 is digitally balanced in base 8, because in such base it contains all the possibile digits an equal number of times.

7068040 is strictly pandigital in base 8.

It is a junction number, because it is equal to n+sod(n) for n = 7067996 and 7068014.

It is not an unprimeable number, because it can be changed into a prime (7068049) 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, 12342 + ... + 12901.

It is an arithmetic number, because the mean of its divisors is an integer number (567990).

Almost surely, 27068040 is an apocalyptic number.

7068040 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

7068040 is an abundant number, since it is smaller than the sum of its proper divisors (11107640).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7068040 is a wasteful number, since it uses less digits than its factorization.

7068040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25261 (or 25257 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 7068040 is about 2658.5785675808. The cubic root of 7068040 is about 191.9109106359.

The spelling of 7068040 in words is "seven million, sixty-eight thousand, forty".

Divisors: 1 2 4 5 7 8 10 14 20 28 35 40 56 70 140 280 25243 50486 100972 126215 176701 201944 252430 353402 504860 706804 883505 1009720 1413608 1767010 3534020 7068040