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42617254 = 273291899
BaseRepresentation
bin1010001010010…
…0100110100110
32222012011212211
42202210212212
541402223004
64121234034
71025145361
oct242444646
988164784
1042617254
1122068a79
121233291a
138aa1c14
1459350d8
153b1c504
hex28a49a6

42617254 has 8 divisors (see below), whose sum is σ = 64801800. Its totient is φ = 21016656.

The previous prime is 42617251. The next prime is 42617291. The reversal of 42617254 is 45271624.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42617251) 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, 145804 + ... + 146095.

It is an arithmetic number, because the mean of its divisors is an integer number (8100225).

Almost surely, 242617254 is an apocalyptic number.

42617254 is a deficient number, since it is larger than the sum of its proper divisors (22184546).

42617254 is a wasteful number, since it uses less digits than its factorization.

42617254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291974.

The product of its digits is 13440, while the sum is 31.

The square root of 42617254 is about 6528.1891823078. The cubic root of 42617254 is about 349.2972402237.

Adding to 42617254 its reverse (45271624), we get a palindrome (87888878).

The spelling of 42617254 in words is "forty-two million, six hundred seventeen thousand, two hundred fifty-four".

Divisors: 1 2 73 146 291899 583798 21308627 42617254