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34428540 = 2235573809
BaseRepresentation
bin1000001101010…
…1011001111100
32101210011002010
42003111121330
532303203130
63225531220
7565431516
oct203253174
971704063
1034428540
1118485743
12b643b10
137195923
144802bb6
1530510b0
hex20d567c

34428540 has 24 divisors (see below), whose sum is σ = 96400080. Its totient is φ = 9180928.

The previous prime is 34428529. The next prime is 34428593. The reversal of 34428540 is 4582443.

34428540 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 34428498 and 34428507.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 286845 + ... + 286964.

It is an arithmetic number, because the mean of its divisors is an integer number (4016670).

Almost surely, 234428540 is an apocalyptic number.

34428540 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

34428540 is an abundant number, since it is smaller than the sum of its proper divisors (61971540).

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

34428540 is a wasteful number, since it uses less digits than its factorization.

34428540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 573821 (or 573819 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 30.

The square root of 34428540 is about 5867.5838298230. The cubic root of 34428540 is about 325.3165830346.

The spelling of 34428540 in words is "thirty-four million, four hundred twenty-eight thousand, five hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 573809 1147618 1721427 2295236 2869045 3442854 5738090 6885708 8607135 11476180 17214270 34428540