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7068136 = 23883517
BaseRepresentation
bin11010111101100111101000
3111022002122211
4122331213220
53302140021
6411254504
7114035545
oct32754750
914262584
107068136
113a98439
12244a434
13160623a
14d1dbcc
159493e1
hex6bd9e8

7068136 has 8 divisors (see below), whose sum is σ = 13252770. Its totient is φ = 3534064.

The previous prime is 7068101. The next prime is 7068137. The reversal of 7068136 is 6318607.

It can be written as a sum of positive squares in only one way, i.e., 6812100 + 256036 = 2610^2 + 506^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 7068098 and 7068107.

It is not an unprimeable number, because it can be changed into a prime (7068137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 441751 + ... + 441766.

Almost surely, 27068136 is an apocalyptic number.

It is an amenable number.

7068136 is a deficient number, since it is larger than the sum of its proper divisors (6184634).

7068136 is a wasteful number, since it uses less digits than its factorization.

7068136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 883523 (or 883519 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 7068136 is about 2658.5966222803. The cubic root of 7068136 is about 191.9117794936.

The spelling of 7068136 in words is "seven million, sixty-eight thousand, one hundred thirty-six".

Divisors: 1 2 4 8 883517 1767034 3534068 7068136