Search a number
-
+
45316420 = 2253173091
BaseRepresentation
bin1010110011011…
…1100101000100
310011021022102221
42230313211010
543100111140
64255142124
71060116562
oct254674504
9104238387
1045316420
1123641996
1213214944
139508666
146038a32
153ea214a
hex2b37944

45316420 has 24 divisors (see below), whose sum is σ = 98235648. Its totient is φ = 17541600.

The previous prime is 45316409. The next prime is 45316421. The reversal of 45316420 is 2461354.

45316420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (45316421) 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 7 ways as a sum of consecutive naturals, for example, 35926 + ... + 37165.

It is an arithmetic number, because the mean of its divisors is an integer number (4093152).

Almost surely, 245316420 is an apocalyptic number.

It is an amenable number.

45316420 is an abundant number, since it is smaller than the sum of its proper divisors (52919228).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45316420 is a wasteful number, since it uses less digits than its factorization.

45316420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73131 (or 73129 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 45316420 is about 6731.7471729114. The cubic root of 45316420 is about 356.5210671129.

Adding to 45316420 its reverse (2461354), we get a palindrome (47777774).

The spelling of 45316420 in words is "forty-five million, three hundred sixteen thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 31 62 124 155 310 620 73091 146182 292364 365455 730910 1461820 2265821 4531642 9063284 11329105 22658210 45316420