Search a number
-
+
142214419 is a prime number
BaseRepresentation
bin10000111101000…
…00010100010011
3100220121020111201
420132200110103
5242401330134
622040052031
73344542204
oct1036402423
9326536451
10142214419
1173304886
123b764017
1323604259
1414c5d5ab
15c742914
hex87a0513

142214419 has 2 divisors, whose sum is σ = 142214420. Its totient is φ = 142214418.

The previous prime is 142214407. The next prime is 142214467. The reversal of 142214419 is 914412241.

It is a weak prime.

It is an emirp because it is prime and its reverse (914412241) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 142214419 - 215 = 142181651 is a prime.

It is a super-2 number, since 2×1422144192 = 40449881943015122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (142212419) by changing a digit.

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 as a sum of consecutive naturals, namely, 71107209 + 71107210.

It is an arithmetic number, because the mean of its divisors is an integer number (71107210).

Almost surely, 2142214419 is an apocalyptic number.

142214419 is a deficient number, since it is larger than the sum of its proper divisors (1).

142214419 is an equidigital number, since it uses as much as digits as its factorization.

142214419 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2304, while the sum is 28.

The square root of 142214419 is about 11925.3687154737. The cubic root of 142214419 is about 521.9728055493.

The spelling of 142214419 in words is "one hundred forty-two million, two hundred fourteen thousand, four hundred nineteen".