Search a number
-
+
42313005 = 3257134327
BaseRepresentation
bin1010000101101…
…0010100101101
32221121201112100
42201122110231
541313004010
64110525313
71022440350
oct241322455
987551470
1042313005
1121980429
1212206839
1389c65a7
145896297
153aac2c0
hex285a52d

42313005 has 24 divisors (see below), whose sum is σ = 83820672. Its totient is φ = 19342944.

The previous prime is 42312961. The next prime is 42313013. The reversal of 42313005 is 50031324.

It is not a de Polignac number, because 42313005 - 27 = 42312877 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 66849 + ... + 67478.

It is an arithmetic number, because the mean of its divisors is an integer number (3492528).

Almost surely, 242313005 is an apocalyptic number.

42313005 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

42313005 is a deficient number, since it is larger than the sum of its proper divisors (41507667).

42313005 is a wasteful number, since it uses less digits than its factorization.

42313005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134345 (or 134342 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 42313005 is about 6504.8447329663. The cubic root of 42313005 is about 348.4640311931.

Adding to 42313005 its reverse (50031324), we get a palindrome (92344329).

The spelling of 42313005 in words is "forty-two million, three hundred thirteen thousand, five".

Divisors: 1 3 5 7 9 15 21 35 45 63 105 315 134327 402981 671635 940289 1208943 2014905 2820867 4701445 6044715 8462601 14104335 42313005