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7040137 = 13541549
BaseRepresentation
bin11010110110110010001001
3111020200020211
4122312302021
53300241022
6410521121
7113561116
oct32666211
914220224
107040137
113a793a5
1224361a1
1315c6580
14d1390d
15940e77
hex6b6c89

7040137 has 4 divisors (see below), whose sum is σ = 7581700. Its totient is φ = 6498576.

The previous prime is 7040129. The next prime is 7040171. The reversal of 7040137 is 7310407.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4016016 + 3024121 = 2004^2 + 1739^2 .

It is a cyclic number.

It is not a de Polignac number, because 7040137 - 23 = 7040129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7040197) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 270762 + ... + 270787.

It is an arithmetic number, because the mean of its divisors is an integer number (1895425).

Almost surely, 27040137 is an apocalyptic number.

It is an amenable number.

7040137 is a deficient number, since it is larger than the sum of its proper divisors (541563).

7040137 is a wasteful number, since it uses less digits than its factorization.

7040137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 541562.

The product of its (nonzero) digits is 588, while the sum is 22.

The square root of 7040137 is about 2653.3256490676. The cubic root of 7040137 is about 191.6580375027.

The spelling of 7040137 in words is "seven million, forty thousand, one hundred thirty-seven".

Divisors: 1 13 541549 7040137