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2198031442 = 22634178767
BaseRepresentation
bin1000001100000011…
…0100110001010010
312200011222120021221
42003000310301102
514000144001232
61002035235254
7105316646635
oct20300646122
95604876257
102198031442
11a28805612
12514148b2a
132904c2629
1416bcc7c1c
15cce7d897
hex83034c52

2198031442 has 8 divisors (see below), whose sum is σ = 3309584256. Its totient is φ = 1094836692.

The previous prime is 2198031431. The next prime is 2198031467. The reversal of 2198031442 is 2441308912.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 2198031398 and 2198031407.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2088858 + ... + 2089909.

It is an arithmetic number, because the mean of its divisors is an integer number (413698032).

Almost surely, 22198031442 is an apocalyptic number.

2198031442 is a deficient number, since it is larger than the sum of its proper divisors (1111552814).

2198031442 is a wasteful number, since it uses less digits than its factorization.

2198031442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4179032.

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 2198031442 is about 46883.1680030264. The cubic root of 2198031442 is about 1300.2034084081.

The spelling of 2198031442 in words is "two billion, one hundred ninety-eight million, thirty-one thousand, four hundred forty-two".

Divisors: 1 2 263 526 4178767 8357534 1099015721 2198031442