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642337114 = 2321168557
BaseRepresentation
bin100110010010010…
…100100101011010
31122202200002212111
4212102110211122
52303414241424
6143423302534
721626526646
oct4622244532
91582602774
10642337114
112aa645421
1215b14aa4a
13a3100143
1461447c26
153b5d2194
hex2649495a

642337114 has 4 divisors (see below), whose sum is σ = 963505674. Its totient is φ = 321168556.

The previous prime is 642337103. The next prime is 642337121. The reversal of 642337114 is 411733246.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 411733246 = 2205866623.

It can be written as a sum of positive squares in only one way, i.e., 584043889 + 58293225 = 24167^2 + 7635^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160584277 + ... + 160584280.

Almost surely, 2642337114 is an apocalyptic number.

642337114 is a deficient number, since it is larger than the sum of its proper divisors (321168560).

642337114 is a wasteful number, since it uses less digits than its factorization.

642337114 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321168559.

The product of its digits is 12096, while the sum is 31.

The square root of 642337114 is about 25344.3704597293. The cubic root of 642337114 is about 862.8215932728.

The spelling of 642337114 in words is "six hundred forty-two million, three hundred thirty-seven thousand, one hundred fourteen".

Divisors: 1 2 321168557 642337114