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427528470 = 23597146917
BaseRepresentation
bin11001011110111…
…001000100010110
31002210110200210210
4121132321010112
51333421402340
6110231230250
713410634455
oct3136710426
91083420723
10427528470
111aa368516
12bb218386
136a75c635
1440accb9c
1527800180
hex197b9116

427528470 has 32 divisors (see below), whose sum is σ = 1036653408. Its totient is φ = 112831488.

The previous prime is 427528379. The next prime is 427528501. The reversal of 427528470 is 74825724.

It is a Curzon number.

It is a congruent 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, 70549 + ... + 76368.

It is an arithmetic number, because the mean of its divisors is an integer number (32395419).

Almost surely, 2427528470 is an apocalyptic number.

427528470 is an abundant number, since it is smaller than the sum of its proper divisors (609124938).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

427528470 is a wasteful number, since it uses less digits than its factorization.

427528470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147024.

The product of its (nonzero) digits is 125440, while the sum is 39.

The square root of 427528470 is about 20676.7615936345. The cubic root of 427528470 is about 753.3353497131.

The spelling of 427528470 in words is "four hundred twenty-seven million, five hundred twenty-eight thousand, four hundred seventy".

Divisors: 1 2 3 5 6 10 15 30 97 194 291 485 582 970 1455 2910 146917 293834 440751 734585 881502 1469170 2203755 4407510 14250949 28501898 42752847 71254745 85505694 142509490 213764235 427528470