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5123087 = 8116317
BaseRepresentation
bin10011100010110000001111
3100122021112222
4103202300033
52302414322
6301445555
761355054
oct23426017
910567488
105123087
11298a062
1218708bb
1310a4b18
1497502b
156b2e42
hex4e2c0f

5123087 has 4 divisors (see below), whose sum is σ = 5130216. Its totient is φ = 5115960.

The previous prime is 5123077. The next prime is 5123099. The reversal of 5123087 is 7803215.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-5123087 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5123077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2348 + ... + 3969.

It is an arithmetic number, because the mean of its divisors is an integer number (1282554).

Almost surely, 25123087 is an apocalyptic number.

5123087 is a deficient number, since it is larger than the sum of its proper divisors (7129).

5123087 is an equidigital number, since it uses as much as digits as its factorization.

5123087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7128.

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 5123087 is about 2263.4237340807. The cubic root of 5123087 is about 172.3894075135.

The spelling of 5123087 in words is "five million, one hundred twenty-three thousand, eighty-seven".

Divisors: 1 811 6317 5123087