Search a number
-
+
2005522048 = 27193372447
BaseRepresentation
bin111011110001001…
…1101011010000000
312011202202002001101
41313202131122000
513101403201143
6531001144144
7100461441025
oct16742353200
95152662041
102005522048
1193a079442
1247b78b054
1325c65b94a
141504d554c
15bb103b4d
hex7789d680

2005522048 has 64 divisors (see below), whose sum is σ = 4219862400. Its totient is φ = 946778112.

The previous prime is 2005522027. The next prime is 2005522069. The reversal of 2005522048 is 8402255002.

It is an interprime number because it is at equal distance from previous prime (2005522027) and next prime (2005522069).

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×20055220482 = 8044237370028228608, which contains 22 as substring.

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, 818361 + ... + 820807.

It is an arithmetic number, because the mean of its divisors is an integer number (65935350).

Almost surely, 22005522048 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 2005522048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2109931200).

2005522048 is an abundant number, since it is smaller than the sum of its proper divisors (2214340352).

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

2005522048 is a wasteful number, since it uses less digits than its factorization.

2005522048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2817 (or 2805 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 28.

The square root of 2005522048 is about 44783.0553669577. The cubic root of 2005522048 is about 1261.0795417592.

The spelling of 2005522048 in words is "two billion, five million, five hundred twenty-two thousand, forty-eight".

Divisors: 1 2 4 8 16 19 32 38 64 76 128 152 304 337 608 674 1216 1348 2432 2447 2696 4894 5392 6403 9788 10784 12806 19576 21568 25612 39152 43136 46493 51224 78304 92986 102448 156608 185972 204896 313216 371944 409792 743888 819584 824639 1487776 1649278 2975552 3298556 5951104 6597112 13194224 15668141 26388448 31336282 52776896 62672564 105553792 125345128 250690256 501380512 1002761024 2005522048