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2274639 = 34118493
BaseRepresentation
bin1000101011010101001111
311021120012220
420223111033
51040242024
6120430423
725222413
oct10532517
94246186
102274639
111313a74
12918413
13618453
14432d43
152ede79
hex22b54f

2274639 has 8 divisors (see below), whose sum is σ = 3106992. Its totient is φ = 1479360.

The previous prime is 2274599. The next prime is 2274641. The reversal of 2274639 is 9364722.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2274639 - 27 = 2274511 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a d-powerful number, because it can be written as 25 + 221 + 7 + 44 + 62 + 311 + 9 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2274689) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9124 + ... + 9369.

It is an arithmetic number, because the mean of its divisors is an integer number (388374).

22274639 is an apocalyptic number.

2274639 is a deficient number, since it is larger than the sum of its proper divisors (832353).

2274639 is a wasteful number, since it uses less digits than its factorization.

2274639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18537.

The product of its digits is 18144, while the sum is 33.

The square root of 2274639 is about 1508.1906378174. The cubic root of 2274639 is about 131.5136487252.

The spelling of 2274639 in words is "two million, two hundred seventy-four thousand, six hundred thirty-nine".

Divisors: 1 3 41 123 18493 55479 758213 2274639