Search a number
-
+
42620912 = 244361949
BaseRepresentation
bin1010001010010…
…1011111110000
32222012100220022
42202211133300
541402332122
64121303012
71025162135
oct242453760
988170808
1042620912
11220707a4
1212334a68
138aa3799
14593658c
153b1d642
hex28a57f0

42620912 has 20 divisors (see below), whose sum is σ = 84499800. Its totient is φ = 20814528.

The previous prime is 42620899. The next prime is 42620917. The reversal of 42620912 is 21902624.

42620912 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42620917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30287 + ... + 31662.

It is an arithmetic number, because the mean of its divisors is an integer number (4224990).

Almost surely, 242620912 is an apocalyptic number.

It is an amenable number.

42620912 is a deficient number, since it is larger than the sum of its proper divisors (41878888).

42620912 is a wasteful number, since it uses less digits than its factorization.

42620912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62000 (or 61994 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 42620912 is about 6528.4693458727. The cubic root of 42620912 is about 349.3072337719.

The spelling of 42620912 in words is "forty-two million, six hundred twenty thousand, nine hundred twelve".

Divisors: 1 2 4 8 16 43 86 172 344 688 61949 123898 247796 495592 991184 2663807 5327614 10655228 21310456 42620912