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428038700 = 225231138077
BaseRepresentation
bin11001100000110…
…101101000101100
31002211102121201012
4121200311220230
51334034214300
6110250204352
713415161145
oct3140655054
91084377635
10428038700
111aa6868a1
12bb4236b8
136a8aa94b
1440bc2acc
15278a1435
hex19835a2c

428038700 has 36 divisors (see below), whose sum is σ = 958813632. Its totient is φ = 165691200.

The previous prime is 428038697. The next prime is 428038739. The reversal of 428038700 is 7830824.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 65939 + ... + 72138.

It is an arithmetic number, because the mean of its divisors is an integer number (26633712).

Almost surely, 2428038700 is an apocalyptic number.

It is an amenable number.

428038700 is an abundant number, since it is smaller than the sum of its proper divisors (530774932).

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

428038700 is a wasteful number, since it uses less digits than its factorization.

428038700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138122 (or 138115 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 32.

The square root of 428038700 is about 20689.0961619883. The cubic root of 428038700 is about 753.6349176674.

The spelling of 428038700 in words is "four hundred twenty-eight million, thirty-eight thousand, seven hundred".

Divisors: 1 2 4 5 10 20 25 31 50 62 100 124 155 310 620 775 1550 3100 138077 276154 552308 690385 1380770 2761540 3451925 4280387 6903850 8560774 13807700 17121548 21401935 42803870 85607740 107009675 214019350 428038700