Search a number
-
+
2889875456 = 2221353
BaseRepresentation
bin1010110001000000…
…0000000000000000
321110101210212212022
42230100000000000
521404302003311
61154432021012
7131420351606
oct25420000000
97411725768
102889875456
111253294226
12687991768
133709375a0
141d5b3b876
1511da8e5db
hexac400000

2889875456 has 92 divisors (see below), whose sum is σ = 6341786892. Its totient is φ = 1308622848.

The previous prime is 2889875449. The next prime is 2889875539. The reversal of 2889875456 is 6545789882.

It can be written as a sum of positive squares in 2 ways, for example, as 1212153856 + 1677721600 = 34816^2 + 40960^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54525926 + ... + 54525978.

Almost surely, 22889875456 is an apocalyptic number.

2889875456 is a gapful number since it is divisible by the number (26) 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 2889875456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3170893446).

2889875456 is an abundant number, since it is smaller than the sum of its proper divisors (3451911436).

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

2889875456 is an frugal number, since it uses more digits than its factorization.

2889875456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110 (or 68 counting only the distinct ones).

The product of its digits is 38707200, while the sum is 62.

The square root of 2889875456 is about 53757.5618494738. The cubic root of 2889875456 is about 1424.3816676729.

The spelling of 2889875456 in words is "two billion, eight hundred eighty-nine million, eight hundred seventy-five thousand, four hundred fifty-six".

Divisors: 1 2 4 8 13 16 26 32 52 53 64 104 106 128 208 212 256 416 424 512 689 832 848 1024 1378 1664 1696 2048 2756 3328 3392 4096 5512 6656 6784 8192 11024 13312 13568 16384 22048 26624 27136 32768 44096 53248 54272 65536 88192 106496 108544 131072 176384 212992 217088 262144 352768 425984 434176 524288 705536 851968 868352 1048576 1411072 1703936 1736704 2097152 2822144 3407872 3473408 4194304 5644288 6815744 6946816 11288576 13631488 13893632 22577152 27262976 27787264 45154304 54525952 55574528 90308608 111149056 180617216 222298112 361234432 722468864 1444937728 2889875456