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1830275020 = 225713073393
BaseRepresentation
bin110110100010111…
…1100011111001100
311201112222121022201
41231011330133030
512222022300040
6501341051244
763233036530
oct15505743714
94645877281
101830275020
1185a162792
12430b56b24
13232260292
14135117bc0
15aaa38a9a
hex6d17c7cc

1830275020 has 24 divisors (see below), whose sum is σ = 4392660384. Its totient is φ = 627522816.

The previous prime is 1830275011. The next prime is 1830275021. The reversal of 1830275020 is 205720381.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 1830275020.

It is not an unprimeable number, because it can be changed into a prime (1830275021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6536557 + ... + 6536836.

It is an arithmetic number, because the mean of its divisors is an integer number (183027516).

Almost surely, 21830275020 is an apocalyptic number.

1830275020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1830275020 is an abundant number, since it is smaller than the sum of its proper divisors (2562385364).

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

1830275020 is a wasteful number, since it uses less digits than its factorization.

1830275020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13073409 (or 13073407 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 1830275020 is about 42781.7136169182. The cubic root of 1830275020 is about 1223.2224715389. Note that the first 3 decimals are identical.

The spelling of 1830275020 in words is "one billion, eight hundred thirty million, two hundred seventy-five thousand, twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 13073393 26146786 52293572 65366965 91513751 130733930 183027502 261467860 366055004 457568755 915137510 1830275020