Search a number
-
+
42877245 = 352858483
BaseRepresentation
bin1010001110010…
…0000100111101
32222200101112010
42203210010331
541434032440
64131001433
71030310355
oct243440475
988611463
1042877245
1122226344
1212439279
138b63368
1459a1b65
153b6e580
hex28e413d

42877245 has 8 divisors (see below), whose sum is σ = 68603616. Its totient is φ = 22867856.

The previous prime is 42877231. The next prime is 42877249. The reversal of 42877245 is 54277824.

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

It is a cyclic number.

It is not a de Polignac number, because 42877245 - 210 = 42876221 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42877249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1429227 + ... + 1429256.

It is an arithmetic number, because the mean of its divisors is an integer number (8575452).

Almost surely, 242877245 is an apocalyptic number.

It is an amenable number.

42877245 is a deficient number, since it is larger than the sum of its proper divisors (25726371).

42877245 is a wasteful number, since it uses less digits than its factorization.

42877245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2858491.

The product of its digits is 125440, while the sum is 39.

The square root of 42877245 is about 6548.0718536070. The cubic root of 42877245 is about 350.0061087369.

The spelling of 42877245 in words is "forty-two million, eight hundred seventy-seven thousand, two hundred forty-five".

Divisors: 1 3 5 15 2858483 8575449 14292415 42877245