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428114801 = 2318613687
BaseRepresentation
bin11001100001001…
…000001101110001
31002211120111002202
4121201020031301
51334044133201
6110251552545
713415626052
oct3141101561
91084514082
10428114801
111aa728a94
12bb45b755
136a90648a
1440c02729
15278b8c6b
hex19848371

428114801 has 4 divisors (see below), whose sum is σ = 446728512. Its totient is φ = 409501092.

The previous prime is 428114789. The next prime is 428114803. The reversal of 428114801 is 108411824.

It is a happy number.

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 a cyclic number.

It is not a de Polignac number, because 428114801 - 214 = 428098417 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (428114803) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9306821 + ... + 9306866.

It is an arithmetic number, because the mean of its divisors is an integer number (111682128).

Almost surely, 2428114801 is an apocalyptic number.

It is an amenable number.

428114801 is a deficient number, since it is larger than the sum of its proper divisors (18613711).

428114801 is a wasteful number, since it uses less digits than its factorization.

428114801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18613710.

The product of its (nonzero) digits is 2048, while the sum is 29.

The square root of 428114801 is about 20690.9352374415. The cubic root of 428114801 is about 753.6795779378.

The spelling of 428114801 in words is "four hundred twenty-eight million, one hundred fourteen thousand, eight hundred one".

Divisors: 1 23 18613687 428114801