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428050533 = 3718719853
BaseRepresentation
bin11001100000111…
…000100001100101
31002211110012221110
4121200320201211
51334040104113
6110250335233
713415240511
oct3140704145
91084405843
10428050533
111aa694779
12bb42a519
136a8b3151
1440bc7141
15278a4bc3
hex19838865

428050533 has 8 divisors (see below), whose sum is σ = 570842208. Its totient is φ = 285312944.

The previous prime is 428050529. The next prime is 428050547. The reversal of 428050533 is 335050824.

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 428050533 - 22 = 428050529 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 428050533.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (428050523) 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, 11635 + ... + 31487.

It is an arithmetic number, because the mean of its divisors is an integer number (71355276).

Almost surely, 2428050533 is an apocalyptic number.

It is an amenable number.

428050533 is a deficient number, since it is larger than the sum of its proper divisors (142791675).

428050533 is a wasteful number, since it uses less digits than its factorization.

428050533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27043.

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 428050533 is about 20689.3821319052. The cubic root of 428050533 is about 753.6418622729.

The spelling of 428050533 in words is "four hundred twenty-eight million, fifty thousand, five hundred thirty-three".

Divisors: 1 3 7187 19853 21561 59559 142683511 428050533