Search a number
-
+
298271274 = 237311072141
BaseRepresentation
bin10001110001110…
…100001000101010
3202210020202021020
4101301310020222
51102324140044
645332553310
710251156360
oct2161641052
9683222236
10298271274
11143403694
1283a82836
1349a43ca2
142b883630
151b2bba19
hex11c7422a

298271274 has 64 divisors (see below), whose sum is σ = 710664192. Its totient is φ = 81662400.

The previous prime is 298271257. The next prime is 298271287. The reversal of 298271274 is 472172892.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 138244 + ... + 140384.

It is an arithmetic number, because the mean of its divisors is an integer number (11104128).

Almost surely, 2298271274 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 298271274, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (355332096).

298271274 is an abundant number, since it is smaller than the sum of its proper divisors (412392918).

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

298271274 is a wasteful number, since it uses less digits than its factorization.

298271274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2291.

The product of its digits is 112896, while the sum is 42.

The square root of 298271274 is about 17270.5319547488. The cubic root of 298271274 is about 668.1446209997.

The spelling of 298271274 in words is "two hundred ninety-eight million, two hundred seventy-one thousand, two hundred seventy-four".

Divisors: 1 2 3 6 7 14 21 31 42 62 93 107 186 214 217 321 434 642 651 749 1302 1498 2141 2247 3317 4282 4494 6423 6634 9951 12846 14987 19902 23219 29974 44961 46438 66371 69657 89922 132742 139314 199113 229087 398226 458174 464597 687261 929194 1374522 1393791 1603609 2787582 3207218 4810827 7101697 9621654 14203394 21305091 42610182 49711879 99423758 149135637 298271274