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2879242240 = 214575021
BaseRepresentation
bin1010101110011101…
…1100000000000000
321102122210122211111
42223213130000000
521344041222430
61153412053104
7131231104150
oct25347340000
97378718744
102879242240
111248291346
12684304194
1336b683744
141d4570760
1511cb8dc2a
hexab9dc000

2879242240 has 120 divisors (see below), whose sum is σ = 7898681952. Its totient is φ = 986972160.

The previous prime is 2879242229. The next prime is 2879242253. The reversal of 2879242240 is 422429782.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 2879242193 and 2879242202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 570930 + ... + 575950.

Almost surely, 22879242240 is an apocalyptic number.

2879242240 is a gapful number since it is divisible by the number (20) 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 2879242240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3949340976).

2879242240 is an abundant number, since it is smaller than the sum of its proper divisors (5019439712).

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

2879242240 is an frugal number, since it uses more digits than its factorization.

2879242240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5061 (or 5035 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 40.

The square root of 2879242240 is about 53658.5709835810. The cubic root of 2879242240 is about 1422.6325297641.

The spelling of 2879242240 in words is "two billion, eight hundred seventy-nine million, two hundred forty-two thousand, two hundred forty".

Divisors: 1 2 4 5 7 8 10 14 16 20 28 32 35 40 56 64 70 80 112 128 140 160 224 256 280 320 448 512 560 640 896 1024 1120 1280 1792 2048 2240 2560 3584 4096 4480 5021 5120 7168 8192 8960 10042 10240 14336 16384 17920 20084 20480 25105 28672 35147 35840 40168 40960 50210 57344 70294 71680 80336 81920 100420 114688 140588 143360 160672 175735 200840 281176 286720 321344 351470 401680 562352 573440 642688 702940 803360 1124704 1285376 1405880 1606720 2249408 2570752 2811760 3213440 4498816 5141504 5623520 6426880 8997632 10283008 11247040 12853760 17995264 20566016 22494080 25707520 35990528 41132032 44988160 51415040 71981056 82264064 89976320 102830080 143962112 179952640 205660160 287924224 359905280 411320320 575848448 719810560 1439621120 2879242240