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2242990 = 25224299
BaseRepresentation
bin1000100011100110101110
311012221210201
420203212232
51033233430
6120024114
725031221
oct10434656
94187721
102242990
1112a2212
1290203a
13606c19
144255b8
152e48ca
hex2239ae

2242990 has 8 divisors (see below), whose sum is σ = 4037400. Its totient is φ = 897192.

The previous prime is 2242979. The next prime is 2242993. The reversal of 2242990 is 992422.

It is a happy number.

2242990 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a d-powerful number, because it can be written as 213 + 217 + 4 + 221 + 9 + 94 + 0 .

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2242993) 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, 112140 + ... + 112159.

It is an arithmetic number, because the mean of its divisors is an integer number (504675).

22242990 is an apocalyptic number.

2242990 is a deficient number, since it is larger than the sum of its proper divisors (1794410).

2242990 is a wasteful number, since it uses less digits than its factorization.

2242990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224306.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 2242990 is about 1497.6615104889. The cubic root of 2242990 is about 130.9008437156.

The spelling of 2242990 in words is "two million, two hundred forty-two thousand, nine hundred ninety".

Divisors: 1 2 5 10 224299 448598 1121495 2242990