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298052172 = 2232114431699
BaseRepresentation
bin10001110000111…
…110101001001100
3202202211121201100
4101300332221030
51102300132142
645324143100
710246254525
oct2160765114
9682747640
10298052172
11143274010
1283997a90
1349998342
142b82784c
151b276b4c
hex11c3ea4c

298052172 has 72 divisors (see below), whose sum is σ = 824241600. Its totient is φ = 90061920.

The previous prime is 298052159. The next prime is 298052267. The reversal of 298052172 is 271250892.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 174579 + ... + 176277.

It is an arithmetic number, because the mean of its divisors is an integer number (11447800).

Almost surely, 2298052172 is an apocalyptic number.

298052172 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 298052172, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (412120800).

298052172 is an abundant number, since it is smaller than the sum of its proper divisors (526189428).

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

298052172 is a wasteful number, since it uses less digits than its factorization.

298052172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2163 (or 2158 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 36.

The square root of 298052172 is about 17264.1875569052. The cubic root of 298052172 is about 667.9809806100.

The spelling of 298052172 in words is "two hundred ninety-eight million, fifty-two thousand, one hundred seventy-two".

Divisors: 1 2 3 4 6 9 11 12 18 22 33 36 44 66 99 132 198 396 443 886 1329 1699 1772 2658 3398 3987 4873 5097 5316 6796 7974 9746 10194 14619 15291 15948 18689 19492 20388 29238 30582 37378 43857 56067 58476 61164 74756 87714 112134 168201 175428 224268 336402 672804 752657 1505314 2257971 3010628 4515942 6773913 8279227 9031884 13547826 16558454 24837681 27095652 33116908 49675362 74513043 99350724 149026086 298052172