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1087020030 = 23536234001
BaseRepresentation
bin100000011001010…
…1001101111111110
32210202102100011010
41000302221233332
54211234120110
6255510340050
735636342415
oct10062515776
92722370133
101087020030
1150865a268
1226405a626
13144287925
14a452047c
1565670020
hex40ca9bfe

1087020030 has 16 divisors (see below), whose sum is σ = 2608848144. Its totient is φ = 289872000.

The previous prime is 1087020023. The next prime is 1087020031. The reversal of 1087020030 is 300207801.

It is a super-2 number, since 2×10870200302 = 2363225091242401800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1087019979 and 1087020006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1087020031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18116971 + ... + 18117030.

It is an arithmetic number, because the mean of its divisors is an integer number (163053009).

Almost surely, 21087020030 is an apocalyptic number.

1087020030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1087020030 is an abundant number, since it is smaller than the sum of its proper divisors (1521828114).

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

1087020030 is a wasteful number, since it uses less digits than its factorization.

1087020030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36234011.

The product of its (nonzero) digits is 336, while the sum is 21.

The square root of 1087020030 is about 32969.9868061848. The cubic root of 1087020030 is about 1028.2037470810.

Adding to 1087020030 its reverse (300207801), we get a palindrome (1387227831).

The spelling of 1087020030 in words is "one billion, eighty-seven million, twenty thousand, thirty".

Divisors: 1 2 3 5 6 10 15 30 36234001 72468002 108702003 181170005 217404006 362340010 543510015 1087020030