Search a number
-
+
351305142 = 23491911903
BaseRepresentation
bin10100111100000…
…111110110110110
3220111001011001120
4110330013312312
51204413231032
654505404410
711464021146
oct2474076666
9814034046
10351305142
11170336831
1299799706
1357a22286
143492a926
1520c9562c
hex14f07db6

351305142 has 16 divisors (see below), whose sum is σ = 702812160. Its totient is φ = 117068072.

The previous prime is 351305137. The next prime is 351305167. The reversal of 351305142 is 241503153.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23563 + ... + 35465.

It is an arithmetic number, because the mean of its divisors is an integer number (43925760).

Almost surely, 2351305142 is an apocalyptic number.

351305142 is an abundant number, since it is smaller than the sum of its proper divisors (351507018).

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

351305142 is a wasteful number, since it uses less digits than its factorization.

351305142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16827.

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 351305142 is about 18743.1358635635. The cubic root of 351305142 is about 705.6047604908.

Adding to 351305142 its reverse (241503153), we get a palindrome (592808295).

The spelling of 351305142 in words is "three hundred fifty-one million, three hundred five thousand, one hundred forty-two".

Divisors: 1 2 3 6 4919 9838 11903 14757 23806 29514 35709 71418 58550857 117101714 175652571 351305142