Search a number
-
+
298864830 = 23511905651
BaseRepresentation
bin10001110100000…
…101000010111110
3202211100220110210
4101310011002332
51103002133310
645353413250
710256211015
oct2164050276
9684326423
10298864830
11143779630
128410a226
1349bc11c4
142b999a7c
151b387820
hex11d050be

298864830 has 32 divisors (see below), whose sum is σ = 782483328. Its totient is φ = 72452000.

The previous prime is 298864817. The next prime is 298864843. The reversal of 298864830 is 38468892.

It is a happy number.

298864830 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (298864817) and next prime (298864843).

It is a super-2 number, since 2×2988648302 = 178640373221857800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 298864830.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 452496 + ... + 453155.

It is an arithmetic number, because the mean of its divisors is an integer number (24452604).

Almost surely, 2298864830 is an apocalyptic number.

298864830 is an abundant number, since it is smaller than the sum of its proper divisors (483618498).

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

298864830 is a wasteful number, since it uses less digits than its factorization.

298864830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 905672.

The product of its (nonzero) digits is 663552, while the sum is 48.

The square root of 298864830 is about 17287.7074824859. The cubic root of 298864830 is about 668.5875270718.

It can be divided in two parts, 29886 and 4830, that added together give a triangular number (34716 = T263).

The spelling of 298864830 in words is "two hundred ninety-eight million, eight hundred sixty-four thousand, eight hundred thirty".

Divisors: 1 2 3 5 6 10 11 15 22 30 33 55 66 110 165 330 905651 1811302 2716953 4528255 5433906 9056510 9962161 13584765 19924322 27169530 29886483 49810805 59772966 99621610 149432415 298864830