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2249993 = 13916187
BaseRepresentation
bin1000100101010100001001
311020022102002
420211110021
51033444433
6120120345
725060514
oct10452411
94208362
102249993
1112a74a9
129060b5
1360a175
14427d7b
152e69e8
hex225509

2249993 has 4 divisors (see below), whose sum is σ = 2266320. Its totient is φ = 2233668.

The previous prime is 2249987. The next prime is 2250013. The reversal of 2249993 is 3999422.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2249993 - 210 = 2248969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2249953) 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, 7955 + ... + 8232.

It is an arithmetic number, because the mean of its divisors is an integer number (566580).

22249993 is an apocalyptic number.

It is an amenable number.

2249993 is a deficient number, since it is larger than the sum of its proper divisors (16327).

2249993 is a wasteful number, since it uses less digits than its factorization.

2249993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16326.

The product of its digits is 34992, while the sum is 38.

The square root of 2249993 is about 1499.9976666649. The cubic root of 2249993 is about 131.0369338200.

The spelling of 2249993 in words is "two million, two hundred forty-nine thousand, nine hundred ninety-three".

Divisors: 1 139 16187 2249993