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2198825242 = 21099412621
BaseRepresentation
bin1000001100001111…
…0110100100011010
312200020110220011221
42003003312210122
514000344401432
61002104242254
7105326464135
oct20303664432
95606426157
102198825242
11a291a7a49
1251447038a
1329070ca33
1416c05321c
15cd088b97
hex830f691a

2198825242 has 4 divisors (see below), whose sum is σ = 3298237866. Its totient is φ = 1099412620.

The previous prime is 2198825219. The next prime is 2198825243. The reversal of 2198825242 is 2425288912.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1432698201 + 766127041 = 37851^2 + 27679^2 .

It is not an unprimeable number, because it can be changed into a prime (2198825243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 549706309 + ... + 549706312.

Almost surely, 22198825242 is an apocalyptic number.

2198825242 is a deficient number, since it is larger than the sum of its proper divisors (1099412624).

2198825242 is a wasteful number, since it uses less digits than its factorization.

2198825242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1099412623.

The product of its digits is 184320, while the sum is 43.

The square root of 2198825242 is about 46891.6329636749. The cubic root of 2198825242 is about 1300.3599086331.

The spelling of 2198825242 in words is "two billion, one hundred ninety-eight million, eight hundred twenty-five thousand, two hundred forty-two".

Divisors: 1 2 1099412621 2198825242