Search a number
-
+
1427450138 = 22099340031
BaseRepresentation
bin101010100010101…
…0010100100011010
310200110222222110122
41111011102210122
510410411401023
6353351113242
750242061132
oct12505224432
93613888418
101427450138
11672838464
1233a072822
1319996cc6a
14d7819ac2
15854b82c8
hex5515291a

1427450138 has 8 divisors (see below), whose sum is σ = 2142201600. Its totient is φ = 713382940.

The previous prime is 1427450099. The next prime is 1427450147. The reversal of 1427450138 is 8310547241.

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

It is a super-2 number, since 2×14274501382 = 4075227792952438088, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1427450098 and 1427450107.

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 in 3 ways as a sum of consecutive naturals, for example, 165818 + ... + 174213.

It is an arithmetic number, because the mean of its divisors is an integer number (267775200).

Almost surely, 21427450138 is an apocalyptic number.

1427450138 is a deficient number, since it is larger than the sum of its proper divisors (714751462).

1427450138 is a wasteful number, since it uses less digits than its factorization.

1427450138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 342132.

The product of its (nonzero) digits is 26880, while the sum is 35.

The square root of 1427450138 is about 37781.6111091097. The cubic root of 1427450138 is about 1125.9531380518.

Adding to 1427450138 its reverse (8310547241), we get a palindrome (9737997379).

The spelling of 1427450138 in words is "one billion, four hundred twenty-seven million, four hundred fifty thousand, one hundred thirty-eight".

Divisors: 1 2 2099 4198 340031 680062 713725069 1427450138