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42254554 = 2171242781
BaseRepresentation
bin1010000100110…
…0000011011010
32221111202100111
42201030003122
541304121204
64105354534
71022105056
oct241140332
987452314
1042254554
1121940521
1212198a4a
1389a5ac4
14587cc66
153a99d04
hex284c0da

42254554 has 8 divisors (see below), whose sum is σ = 67110228. Its totient is φ = 19884480.

The previous prime is 42254543. The next prime is 42254579. The reversal of 42254554 is 45545224.

It can be written as a sum of positive squares in 2 ways, for example, as 41796225 + 458329 = 6465^2 + 677^2 .

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, 621357 + ... + 621424.

Almost surely, 242254554 is an apocalyptic number.

42254554 is a deficient number, since it is larger than the sum of its proper divisors (24855674).

42254554 is a wasteful number, since it uses less digits than its factorization.

42254554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1242800.

The product of its digits is 32000, while the sum is 31.

The square root of 42254554 is about 6500.3502982532. The cubic root of 42254554 is about 348.3035016894.

Adding to 42254554 its reverse (45545224), we get a palindrome (87799778).

The spelling of 42254554 in words is "forty-two million, two hundred fifty-four thousand, five hundred fifty-four".

Divisors: 1 2 17 34 1242781 2485562 21127277 42254554