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2331000054 = 232831560241
BaseRepresentation
bin1000101011110000…
…0011110011110110
320000110012001221100
42022330003303312
514233214000204
61023145230530
7111523113345
oct21274036366
96013161840
102331000054
11a96874929
12550792446
132b1c0a396
1418181bb5c
15d9996a39
hex8af03cf6

2331000054 has 24 divisors (see below), whose sum is σ = 5111352792. Its totient is φ = 767638080.

The previous prime is 2331000053. The next prime is 2331000083. The reversal of 2331000054 is 4500001332.

It is a super-2 number, since 2×23310000542 = 10867122503496005832, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2331000053) 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 11 ways as a sum of consecutive naturals, for example, 778627 + ... + 781614.

It is an arithmetic number, because the mean of its divisors is an integer number (212973033).

Almost surely, 22331000054 is an apocalyptic number.

2331000054 is an abundant number, since it is smaller than the sum of its proper divisors (2780352738).

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

2331000054 is a wasteful number, since it uses less digits than its factorization.

2331000054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1560332 (or 1560329 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 2331000054 is about 48280.4313775260. The cubic root of 2331000054 is about 1325.9101479489.

Adding to 2331000054 its reverse (4500001332), we get a palindrome (6831001386).

The spelling of 2331000054 in words is "two billion, three hundred thirty-one million, fifty-four", and thus it is an aban number.

Divisors: 1 2 3 6 9 18 83 166 249 498 747 1494 1560241 3120482 4680723 9361446 14042169 28084338 129500003 259000006 388500009 777000018 1165500027 2331000054