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2242881 = 32318039
BaseRepresentation
bin1000100011100101000001
311012221122200
420203211001
51033233011
6120023413
725031004
oct10434501
94187580
102242881
1112a2123
12901b69
13606b64
1442553b
152e4856
hex223941

2242881 has 12 divisors (see below), whose sum is σ = 3344640. Its totient is φ = 1446840.

The previous prime is 2242879. The next prime is 2242883. The reversal of 2242881 is 1882422.

It is an interprime number because it is at equal distance from previous prime (2242879) and next prime (2242883).

It is not a de Polignac number, because 2242881 - 21 = 2242879 is a prime.

It is a super-2 number, since 2×22428812 = 10061030360322, which contains 22 as substring.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2242883) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3741 + ... + 4298.

It is an arithmetic number, because the mean of its divisors is an integer number (278720).

22242881 is an apocalyptic number.

It is an amenable number.

2242881 is a deficient number, since it is larger than the sum of its proper divisors (1101759).

2242881 is a wasteful number, since it uses less digits than its factorization.

2242881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8076 (or 8073 counting only the distinct ones).

The product of its digits is 2048, while the sum is 27.

The square root of 2242881 is about 1497.6251199816. The cubic root of 2242881 is about 130.8987232688.

The spelling of 2242881 in words is "two million, two hundred forty-two thousand, eight hundred eighty-one".

Divisors: 1 3 9 31 93 279 8039 24117 72351 249209 747627 2242881