Search a number
-
+
298420320 = 25351156519
BaseRepresentation
bin10001110010011…
…000100001100000
3202210112022201110
4101302120201200
51102343422240
645340103320
710252350042
oct2162304140
9683468643
10298420320
111434a5670
1283b34b40
1349a96a93
142b8c1a92
151b2eac80
hex11c98860

298420320 has 96 divisors (see below), whose sum is σ = 1025498880. Its totient is φ = 72343040.

The previous prime is 298420319. The next prime is 298420337. The reversal of 298420320 is 23024892.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22980 + ... + 33539.

It is an arithmetic number, because the mean of its divisors is an integer number (10682280).

Almost surely, 2298420320 is an apocalyptic number.

298420320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

298420320 is an abundant number, since it is smaller than the sum of its proper divisors (727078560).

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

298420320 is a wasteful number, since it uses less digits than its factorization.

298420320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56548 (or 56540 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 298420320 is about 17274.8464537315. The cubic root of 298420320 is about 668.2558929737.

The spelling of 298420320 in words is "two hundred ninety-eight million, four hundred twenty thousand, three hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 11 12 15 16 20 22 24 30 32 33 40 44 48 55 60 66 80 88 96 110 120 132 160 165 176 220 240 264 330 352 440 480 528 660 880 1056 1320 1760 2640 5280 56519 113038 169557 226076 282595 339114 452152 565190 621709 678228 847785 904304 1130380 1243418 1356456 1695570 1808608 1865127 2260760 2486836 2712912 3108545 3391140 3730254 4521520 4973672 5425824 6217090 6782280 7460508 9043040 9325635 9947344 12434180 13564560 14921016 18651270 19894688 24868360 27129120 29842032 37302540 49736720 59684064 74605080 99473440 149210160 298420320