Search a number
-
+
42508862 = 2115336457
BaseRepresentation
bin1010001000101…
…0001000111110
32221222200012022
42202022020332
541340240422
64115040142
71024214354
oct242121076
987880168
1042508862
1121aa45a0
12122a0052
138a64796
1459077d4
153aea342
hex288a23e

42508862 has 16 divisors (see below), whose sum is σ = 70874352. Its totient is φ = 18957120.

The previous prime is 42508861. The next prime is 42508883. The reversal of 42508862 is 26880524.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42508861) 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 7 ways as a sum of consecutive naturals, for example, 17063 + ... + 19394.

It is an arithmetic number, because the mean of its divisors is an integer number (4429647).

Almost surely, 242508862 is an apocalyptic number.

42508862 is a deficient number, since it is larger than the sum of its proper divisors (28365490).

42508862 is a wasteful number, since it uses less digits than its factorization.

42508862 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36523.

The product of its (nonzero) digits is 30720, while the sum is 35.

The square root of 42508862 is about 6519.8820541479. The cubic root of 42508862 is about 349.0008565864. Note that the first 3 decimals are identical.

The spelling of 42508862 in words is "forty-two million, five hundred eight thousand, eight hundred sixty-two".

Divisors: 1 2 11 22 53 106 583 1166 36457 72914 401027 802054 1932221 3864442 21254431 42508862