Search a number
-
+
350369987 = 1131851817
BaseRepresentation
bin10100111000100…
…011100011000011
3220102021122021012
4110320203203003
51204143314422
654433351135
711453044562
oct2470434303
9812248235
10350369987
1116a858180
12994084ab
1357785726
1434765bd9
1520b5d4e2
hex14e238c3

350369987 has 4 divisors (see below), whose sum is σ = 382221816. Its totient is φ = 318518160.

The previous prime is 350369963. The next prime is 350369989. The reversal of 350369987 is 789963053.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 350369987 - 26 = 350369923 is a prime.

It is a super-3 number, since 3×3503699873 (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (350369989) 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, 15925898 + ... + 15925919.

It is an arithmetic number, because the mean of its divisors is an integer number (95555454).

Almost surely, 2350369987 is an apocalyptic number.

350369987 is a deficient number, since it is larger than the sum of its proper divisors (31851829).

350369987 is a wasteful number, since it uses less digits than its factorization.

350369987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31851828.

The product of its (nonzero) digits is 1224720, while the sum is 50.

The square root of 350369987 is about 18718.1726405117. The cubic root of 350369987 is about 704.9781104147.

The spelling of 350369987 in words is "three hundred fifty million, three hundred sixty-nine thousand, nine hundred eighty-seven".

Divisors: 1 11 31851817 350369987