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4872420 = 2233571289
BaseRepresentation
bin10010100101100011100100
3100011112201000
4102211203210
52221404140
6252233300
756262210
oct22454344
910145630
104872420
1128287a3
12176b830
1310179b7
1490b940
15663a30
hex4a58e4

4872420 has 96 divisors (see below), whose sum is σ = 17337600. Its totient is φ = 1112832.

The previous prime is 4872403. The next prime is 4872431. The reversal of 4872420 is 242784.

It is a Harshad number since it is a multiple of its sum of digits (27).

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, 3136 + ... + 4424.

It is an arithmetic number, because the mean of its divisors is an integer number (180600).

Almost surely, 24872420 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4872420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8668800).

4872420 is an abundant number, since it is smaller than the sum of its proper divisors (12465180).

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

4872420 is a wasteful number, since it uses less digits than its factorization.

4872420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1314 (or 1306 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 27.

The square root of 4872420 is about 2207.3558843105. The cubic root of 4872420 is about 169.5306546483.

The spelling of 4872420 in words is "four million, eight hundred seventy-two thousand, four hundred twenty".

Divisors: 1 2 3 4 5 6 7 9 10 12 14 15 18 20 21 27 28 30 35 36 42 45 54 60 63 70 84 90 105 108 126 135 140 180 189 210 252 270 315 378 420 540 630 756 945 1260 1289 1890 2578 3780 3867 5156 6445 7734 9023 11601 12890 15468 18046 19335 23202 25780 27069 34803 36092 38670 45115 46404 54138 58005 69606 77340 81207 90230 108276 116010 135345 139212 162414 174015 180460 232020 243621 270690 324828 348030 406035 487242 541380 696060 812070 974484 1218105 1624140 2436210 4872420