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5145697 = 7370489
BaseRepresentation
bin10011101000010001100001
3100200102120101
4103220101201
52304130242
6302142401
761511014
oct23502141
910612511
105145697
1129a5047
121881a01
1310b21bb
1497d37b
156b99b7
hex4e8461

5145697 has 4 divisors (see below), whose sum is σ = 5216260. Its totient is φ = 5075136.

The previous prime is 5145689. The next prime is 5145703. The reversal of 5145697 is 7965415.

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 1366561 + 3779136 = 1169^2 + 1944^2 .

It is a cyclic number.

It is not a de Polignac number, because 5145697 - 23 = 5145689 is a prime.

It is a Duffinian number.

5145697 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (5145677) 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, 35172 + ... + 35317.

It is an arithmetic number, because the mean of its divisors is an integer number (1304065).

Almost surely, 25145697 is an apocalyptic number.

It is an amenable number.

5145697 is a deficient number, since it is larger than the sum of its proper divisors (70563).

5145697 is an equidigital number, since it uses as much as digits as its factorization.

5145697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70562.

The product of its digits is 37800, while the sum is 37.

The square root of 5145697 is about 2268.4128812895. The cubic root of 5145697 is about 172.6426405419.

The spelling of 5145697 in words is "five million, one hundred forty-five thousand, six hundred ninety-seven".

Divisors: 1 73 70489 5145697