Search a number
-
+
42502343 = 135361687
BaseRepresentation
bin1010001000100…
…0100011000111
32221222100020212
42202020203013
541340033333
64114550035
71024156352
oct242104307
987870225
1042502343
1121a9a704
121229831b
138a61820
145905299
153ae8448
hex28888c7

42502343 has 8 divisors (see below), whose sum is σ = 46636128. Its totient is φ = 38492064.

The previous prime is 42502337. The next prime is 42502387. The reversal of 42502343 is 34320524.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2k-42502343 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42502303) 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, 30155 + ... + 31532.

It is an arithmetic number, because the mean of its divisors is an integer number (5829516).

Almost surely, 242502343 is an apocalyptic number.

42502343 is a deficient number, since it is larger than the sum of its proper divisors (4133785).

42502343 is a wasteful number, since it uses less digits than its factorization.

42502343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61753.

The product of its (nonzero) digits is 2880, while the sum is 23.

The square root of 42502343 is about 6519.3821026229. The cubic root of 42502343 is about 348.9830151859.

Adding to 42502343 its reverse (34320524), we get a palindrome (76822867).

The spelling of 42502343 in words is "forty-two million, five hundred two thousand, three hundred forty-three".

Divisors: 1 13 53 689 61687 801931 3269411 42502343