Search a number
-
+
42542654 = 2711276251
BaseRepresentation
bin1010001001001…
…0011000111110
32222001101112212
42202102120332
541342331104
64115500422
71024415030
oct242223076
988041485
1042542654
1122017a20
12122b7712
138a76c8b
145915c50
153b0536e
hex289263e

42542654 has 16 divisors (see below), whose sum is σ = 79560576. Its totient is φ = 16575000.

The previous prime is 42542641. The next prime is 42542657. The reversal of 42542654 is 45624524.

It is a self number, because there is not a number n which added to its sum of digits gives 42542654.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42542657) 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, 137972 + ... + 138279.

It is an arithmetic number, because the mean of its divisors is an integer number (4972536).

Almost surely, 242542654 is an apocalyptic number.

42542654 is a deficient number, since it is larger than the sum of its proper divisors (37017922).

42542654 is a wasteful number, since it uses less digits than its factorization.

42542654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276271.

The product of its digits is 38400, while the sum is 32.

The square root of 42542654 is about 6522.4729972611. The cubic root of 42542654 is about 349.0933103536.

The spelling of 42542654 in words is "forty-two million, five hundred forty-two thousand, six hundred fifty-four".

Divisors: 1 2 7 11 14 22 77 154 276251 552502 1933757 3038761 3867514 6077522 21271327 42542654