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22630442 = 241275981
BaseRepresentation
bin101011001010…
…1000000101010
31120120202010112
41112111000222
521243133232
62125014322
7363232652
oct126250052
946522115
1022630442
111185764a
1276b43a2
1348c47c3
143011362
151ec04b2
hex159502a

22630442 has 8 divisors (see below), whose sum is σ = 34773732. Its totient is φ = 11039200.

The previous prime is 22630429. The next prime is 22630457. The reversal of 22630442 is 24403622.

It can be written as a sum of positive squares in 2 ways, for example, as 22193521 + 436921 = 4711^2 + 661^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 137909 + ... + 138072.

Almost surely, 222630442 is an apocalyptic number.

22630442 is a deficient number, since it is larger than the sum of its proper divisors (12143290).

22630442 is a wasteful number, since it uses less digits than its factorization.

22630442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276024.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 22630442 is about 4757.1464135551. The cubic root of 22630442 is about 282.8553160881.

The spelling of 22630442 in words is "twenty-two million, six hundred thirty thousand, four hundred forty-two".

Divisors: 1 2 41 82 275981 551962 11315221 22630442