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2198799904 = 2579816071
BaseRepresentation
bin1000001100001111…
…0000011000100000
312200020102121102111
42003003300120200
514000343044104
61002103525104
7105326330230
oct20303603040
95606377374
102198799904
11a2918aa04
12514459794
13290701342
1416c047cc0
15cd081404
hex830f0620

2198799904 has 24 divisors (see below), whose sum is σ = 4947300288. Its totient is φ = 942342720.

The previous prime is 2198799901. The next prime is 2198799959. The reversal of 2198799904 is 4099978912.

It is not an unprimeable number, because it can be changed into a prime (2198799901) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4907812 + ... + 4908259.

It is an arithmetic number, because the mean of its divisors is an integer number (206137512).

Almost surely, 22198799904 is an apocalyptic number.

It is an amenable number.

2198799904 is an abundant number, since it is smaller than the sum of its proper divisors (2748500384).

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

2198799904 is an equidigital number, since it uses as much as digits as its factorization.

2198799904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9816088 (or 9816080 counting only the distinct ones).

The product of its (nonzero) digits is 2939328, while the sum is 58.

The square root of 2198799904 is about 46891.3627867649. The cubic root of 2198799904 is about 1300.3549137469.

The spelling of 2198799904 in words is "two billion, one hundred ninety-eight million, seven hundred ninety-nine thousand, nine hundred four".

Divisors: 1 2 4 7 8 14 16 28 32 56 112 224 9816071 19632142 39264284 68712497 78528568 137424994 157057136 274849988 314114272 549699976 1099399952 2198799904