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2142342430 = 25214234243
BaseRepresentation
bin111111110110001…
…1000110100011110
312112022012021022221
41333230120310132
513341414424210
6552325455554
7104042416204
oct17754306436
95468167287
102142342430
119aa329638
124b95715ba
13281ac4957
1416474d074
15c812d1da
hex7fb18d1e

2142342430 has 8 divisors (see below), whose sum is σ = 3856216392. Its totient is φ = 856936968.

The previous prime is 2142342379. The next prime is 2142342463. The reversal of 2142342430 is 342432412.

It is a happy number.

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 = 2142342395 and 2142342404.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 107117112 + ... + 107117131.

It is an arithmetic number, because the mean of its divisors is an integer number (482027049).

Almost surely, 22142342430 is an apocalyptic number.

2142342430 is a deficient number, since it is larger than the sum of its proper divisors (1713873962).

2142342430 is a wasteful number, since it uses less digits than its factorization.

2142342430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214234250.

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 2142342430 is about 46285.4451204696. The cubic root of 2142342430 is about 1289.1287569019.

Adding to 2142342430 its reverse (342432412), we get a palindrome (2484774842).

The spelling of 2142342430 in words is "two billion, one hundred forty-two million, three hundred forty-two thousand, four hundred thirty".

Divisors: 1 2 5 10 214234243 428468486 1071171215 2142342430