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1530034840 = 23538250871
BaseRepresentation
bin101101100110010…
…0111101010011000
310221122000211020001
41123030213222120
511113142103330
6411453542344
752626036655
oct13314475230
93848024201
101530034840
11715734904
123684a49b4
131b4caa079
141072c0c2c
158e4cd9ca
hex5b327a98

1530034840 has 16 divisors (see below), whose sum is σ = 3442578480. Its totient is φ = 612013920.

The previous prime is 1530034817. The next prime is 1530034861. The reversal of 1530034840 is 484300351.

It is a super-2 number, since 2×15300348402 = 4682013223227651200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1530034799 and 1530034808.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19125396 + ... + 19125475.

It is an arithmetic number, because the mean of its divisors is an integer number (215161155).

Almost surely, 21530034840 is an apocalyptic number.

1530034840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1530034840 is an abundant number, since it is smaller than the sum of its proper divisors (1912543640).

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

1530034840 is a wasteful number, since it uses less digits than its factorization.

1530034840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38250882 (or 38250878 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 1530034840 is about 39115.6597796841. The cubic root of 1530034840 is about 1152.3040988434.

The spelling of 1530034840 in words is "one billion, five hundred thirty million, thirty-four thousand, eight hundred forty".

Divisors: 1 2 4 5 8 10 20 40 38250871 76501742 153003484 191254355 306006968 382508710 765017420 1530034840