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42484154 = 221242077
BaseRepresentation
bin1010001000010…
…0000110111010
32221221102022012
42202010012322
541333443104
64114325522
71024052336
oct242040672
987842265
1042484154
1121a87a79
12122898a2
138a5646b
1458dc7c6
153ae2d6e
hex28841ba

42484154 has 4 divisors (see below), whose sum is σ = 63726234. Its totient is φ = 21242076.

The previous prime is 42484153. The next prime is 42484201. The reversal of 42484154 is 45148424.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 25452025 + 17032129 = 5045^2 + 4127^2 .

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 42484154.

It is not an unprimeable number, because it can be changed into a prime (42484153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10621037 + ... + 10621040.

Almost surely, 242484154 is an apocalyptic number.

42484154 is a deficient number, since it is larger than the sum of its proper divisors (21242080).

42484154 is a wasteful number, since it uses less digits than its factorization.

42484154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21242079.

The product of its digits is 20480, while the sum is 32.

The square root of 42484154 is about 6517.9869591769. The cubic root of 42484154 is about 348.9332253207.

The spelling of 42484154 in words is "forty-two million, four hundred eighty-four thousand, one hundred fifty-four".

Divisors: 1 2 21242077 42484154