Search a number
-
+
402124343 = 3186315031
BaseRepresentation
bin10111111101111…
…110111000110111
31001000200000220012
4113331332320313
51310420434333
6103522530435
712652000115
oct2775767067
91030600805
10402124343
11196a96a75
12b2806a1b
13654064ca
143b598ab5
1525482e48
hex17f7ee37

402124343 has 8 divisors (see below), whose sum is σ = 415604736. Its totient is φ = 388675800.

The previous prime is 402124337. The next prime is 402124361. The reversal of 402124343 is 343421204.

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

It is a cyclic number.

It is not a de Polignac number, because 402124343 - 26 = 402124279 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 (402124243) 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, 19238 + ... + 34268.

It is an arithmetic number, because the mean of its divisors is an integer number (51950592).

Almost surely, 2402124343 is an apocalyptic number.

402124343 is a deficient number, since it is larger than the sum of its proper divisors (13480393).

402124343 is a wasteful number, since it uses less digits than its factorization.

402124343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15925.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 402124343 is about 20053.0382486046. The cubic root of 402124343 is about 738.1083551852.

Adding to 402124343 its reverse (343421204), we get a palindrome (745545547).

The spelling of 402124343 in words is "four hundred two million, one hundred twenty-four thousand, three hundred forty-three".

Divisors: 1 31 863 15031 26753 465961 12971753 402124343