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420263611 = 8311344809
BaseRepresentation
bin11001000011001…
…011011010111011
31002021210121021221
4121003023122323
51330041413421
6105411412511
713262116225
oct3103133273
91067717257
10420263611
111a62562a9
12b88b4137
13690b79c1
143db5b415
1526d67841
hex190cb6bb

420263611 has 8 divisors (see below), whose sum is σ = 429100560. Its totient is φ = 411516672.

The previous prime is 420263609. The next prime is 420263629. The reversal of 420263611 is 116362024.

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

It is a cyclic number.

It is not a de Polignac number, because 420263611 - 21 = 420263609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (420263651) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13026 + ... + 31783.

It is an arithmetic number, because the mean of its divisors is an integer number (53637570).

Almost surely, 2420263611 is an apocalyptic number.

420263611 is a deficient number, since it is larger than the sum of its proper divisors (8836949).

420263611 is a wasteful number, since it uses less digits than its factorization.

420263611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45005.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 420263611 is about 20500.3319729218. The cubic root of 420263611 is about 749.0438844569.

The spelling of 420263611 in words is "four hundred twenty million, two hundred sixty-three thousand, six hundred eleven".

Divisors: 1 83 113 9379 44809 3719147 5063417 420263611