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2502239 = 23108793
BaseRepresentation
bin1001100010111001011111
311201010102112
421202321133
51120032424
6125344235
730161105
oct11427137
94633375
102502239
111459a73
12a0807b
13697c1c
14491c75
1534660e
hex262e5f

2502239 has 4 divisors (see below), whose sum is σ = 2611056. Its totient is φ = 2393424.

The previous prime is 2502229. The next prime is 2502251. The reversal of 2502239 is 9322052.

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

It is a cyclic number.

It is not a de Polignac number, because 2502239 - 212 = 2498143 is a prime.

It is a super-2 number, since 2×25022392 = 12522400026242, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23), and also a Moran number because the ratio is a prime number: 108793 = 2502239 / (2 + 5 + 0 + 2 + 2 + 3 + 9).

It is a d-powerful number, because it can be written as 28 + 59 + 0 + 210 + 214 + 312 + 9 .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2502209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54374 + ... + 54419.

It is an arithmetic number, because the mean of its divisors is an integer number (652764).

22502239 is an apocalyptic number.

2502239 is a deficient number, since it is larger than the sum of its proper divisors (108817).

2502239 is a wasteful number, since it uses less digits than its factorization.

2502239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108816.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 2502239 is about 1581.8467055944. The cubic root of 2502239 is about 135.7613859470.

The spelling of 2502239 in words is "two million, five hundred two thousand, two hundred thirty-nine".

Divisors: 1 23 108793 2502239