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7868338 = 229135661
BaseRepresentation
bin11110000000111110110010
3112210202022221
4132000332302
54003241323
6440351254
7123610522
oct36007662
915722287
107868338
114494665
12277552a
13182652a
14108b682
15a5655d
hex780fb2

7868338 has 8 divisors (see below), whose sum is σ = 12209580. Its totient is φ = 3798480.

The previous prime is 7868293. The next prime is 7868339. The reversal of 7868338 is 8338687.

It can be written as a sum of positive squares in 2 ways, for example, as 7601049 + 267289 = 2757^2 + 517^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 7868294 and 7868303.

It is not an unprimeable number, because it can be changed into a prime (7868339) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67773 + ... + 67888.

Almost surely, 27868338 is an apocalyptic number.

7868338 is a deficient number, since it is larger than the sum of its proper divisors (4341242).

7868338 is a wasteful number, since it uses less digits than its factorization.

7868338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135692.

The product of its digits is 193536, while the sum is 43.

The square root of 7868338 is about 2805.0557926715. The cubic root of 7868338 is about 198.8967419657.

The spelling of 7868338 in words is "seven million, eight hundred sixty-eight thousand, three hundred thirty-eight".

Divisors: 1 2 29 58 135661 271322 3934169 7868338