Search a number
-
+
420414513 = 3140138171
BaseRepresentation
bin11001000011110…
…000010000110001
31002022002021021220
4121003300100301
51330111231023
6105414535253
713263315201
oct3103602061
91068067256
10420414513
111a6349712
12b8967529
136913b5ac
143db9a401
1526d973e3
hex190f0431

420414513 has 4 divisors (see below), whose sum is σ = 560552688. Its totient is φ = 280276340.

The previous prime is 420414509. The next prime is 420414517. The reversal of 420414513 is 315414024.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (420414509) and next prime (420414517).

It is a cyclic number.

It is not a de Polignac number, because 420414513 - 22 = 420414509 is a prime.

It is not an unprimeable number, because it can be changed into a prime (420414517) 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 in 3 ways as a sum of consecutive naturals, for example, 70069083 + ... + 70069088.

It is an arithmetic number, because the mean of its divisors is an integer number (140138172).

Almost surely, 2420414513 is an apocalyptic number.

It is an amenable number.

420414513 is a deficient number, since it is larger than the sum of its proper divisors (140138175).

420414513 is a wasteful number, since it uses less digits than its factorization.

420414513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140138174.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 420414513 is about 20504.0121195828. The cubic root of 420414513 is about 749.1335255705.

Adding to 420414513 its reverse (315414024), we get a palindrome (735828537).

The spelling of 420414513 in words is "four hundred twenty million, four hundred fourteen thousand, five hundred thirteen".

Divisors: 1 3 140138171 420414513