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2855424 = 29311132
BaseRepresentation
bin1010111001001000000000
312101001220110
422321020000
51212333144
6141111320
733161565
oct12711000
95331813
102855424
111680360
12b58540
1378c900
1454486c
153b60b9
hex2b9200

2855424 has 120 divisors (see below), whose sum is σ = 8986032. Its totient is φ = 798720.

The previous prime is 2855399. The next prime is 2855429. The reversal of 2855424 is 4245582.

It is a junction number, because it is equal to n+sod(n) for n = 2855391 and 2855400.

It is not an unprimeable number, because it can be changed into a prime (2855429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 219642 + ... + 219654.

22855424 is an apocalyptic number.

2855424 is a gapful number since it is divisible by the number (24) 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 2855424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4493016).

2855424 is an abundant number, since it is smaller than the sum of its proper divisors (6130608).

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

2855424 is a wasteful number, since it uses less digits than its factorization.

2855424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58 (or 29 counting only the distinct ones).

The product of its digits is 12800, while the sum is 30.

The square root of 2855424 is about 1689.7999881643. The cubic root of 2855424 is about 141.8698801415.

The spelling of 2855424 in words is "two million, eight hundred fifty-five thousand, four hundred twenty-four".

Divisors: 1 2 3 4 6 8 11 12 13 16 22 24 26 32 33 39 44 48 52 64 66 78 88 96 104 128 132 143 156 169 176 192 208 256 264 286 312 338 352 384 416 429 507 512 528 572 624 676 704 768 832 858 1014 1056 1144 1248 1352 1408 1536 1664 1716 1859 2028 2112 2288 2496 2704 2816 3328 3432 3718 4056 4224 4576 4992 5408 5577 5632 6656 6864 7436 8112 8448 9152 9984 10816 11154 13728 14872 16224 16896 18304 19968 21632 22308 27456 29744 32448 36608 43264 44616 54912 59488 64896 73216 86528 89232 109824 118976 129792 178464 219648 237952 259584 356928 475904 713856 951808 1427712 2855424