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428898545 = 5293119511
BaseRepresentation
bin11001100100000…
…111100011110001
31002220001022012022
4121210013203301
51334244223140
6110320441225
713425402035
oct3144074361
91086038168
10428898545
11200113909
12bb779215
136ab1c12a
1440d681c5
15279c10b5
hex199078f1

428898545 has 16 divisors (see below), whose sum is σ = 534193920. Its totient is φ = 330187200.

The previous prime is 428898529. The next prime is 428898577. The reversal of 428898545 is 545898824.

It is not a de Polignac number, because 428898545 - 24 = 428898529 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40340 + ... + 49850.

It is an arithmetic number, because the mean of its divisors is an integer number (33387120).

Almost surely, 2428898545 is an apocalyptic number.

It is an amenable number.

428898545 is a deficient number, since it is larger than the sum of its proper divisors (105295375).

428898545 is a wasteful number, since it uses less digits than its factorization.

428898545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9856.

The product of its digits is 3686400, while the sum is 53.

The square root of 428898545 is about 20709.8658856111. The cubic root of 428898545 is about 754.1392145857.

The spelling of 428898545 in words is "four hundred twenty-eight million, eight hundred ninety-eight thousand, five hundred forty-five".

Divisors: 1 5 29 145 311 1555 9019 9511 45095 47555 275819 1379095 2957921 14789605 85779709 428898545