Search a number
-
+
402854082 = 23131512537
BaseRepresentation
bin11000000000110…
…001000011000010
31001002001002220120
4120000301003002
51311112312312
6103550321110
712661126461
oct3000610302
91032032816
10402854082
11197445264
12b2ab9196
13656006c7
143b7089d8
152557928c
hex180310c2

402854082 has 16 divisors (see below), whose sum is σ = 811860192. Its totient is φ = 133259360.

The previous prime is 402854059. The next prime is 402854099. The reversal of 402854082 is 280458204.

It is a happy number.

It is a super-2 number, since 2×4028540822 = 324582822768125448, which contains 22 as substring.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 255483 + ... + 257054.

It is an arithmetic number, because the mean of its divisors is an integer number (50741262).

Almost surely, 2402854082 is an apocalyptic number.

402854082 is an abundant number, since it is smaller than the sum of its proper divisors (409006110).

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

402854082 is a wasteful number, since it uses less digits than its factorization.

402854082 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 512673.

The product of its (nonzero) digits is 20480, while the sum is 33.

The square root of 402854082 is about 20071.2252241860. The cubic root of 402854082 is about 738.5545695412.

The spelling of 402854082 in words is "four hundred two million, eight hundred fifty-four thousand, eighty-two".

Divisors: 1 2 3 6 131 262 393 786 512537 1025074 1537611 3075222 67142347 134284694 201427041 402854082