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2154002033 = 5483392851
BaseRepresentation
bin1000000001100011…
…0111011001110001
312120010010122022002
42000120313121301
513402411031113
6553423423345
7104243500211
oct20030673161
95503118262
102154002033
11a05972677
12501454b55
13284347a21
14166106241
15c9182c58
hex80637671

2154002033 has 4 divisors (see below), whose sum is σ = 2154400368. Its totient is φ = 2153603700.

The previous prime is 2154002009. The next prime is 2154002041. The reversal of 2154002033 is 3302004512.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2154002033 - 210 = 2154001009 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2154001996 and 2154002014.

It is not an unprimeable number, because it can be changed into a prime (2154002063) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 190943 + ... + 201908.

It is an arithmetic number, because the mean of its divisors is an integer number (538600092).

Almost surely, 22154002033 is an apocalyptic number.

It is an amenable number.

2154002033 is a deficient number, since it is larger than the sum of its proper divisors (398335).

2154002033 is an equidigital number, since it uses as much as digits as its factorization.

2154002033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 398334.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 2154002033 is about 46411.2274455223. The cubic root of 2154002033 is about 1291.4632022013.

Adding to 2154002033 its reverse (3302004512), we get a palindrome (5456006545).

The spelling of 2154002033 in words is "two billion, one hundred fifty-four million, two thousand, thirty-three".

Divisors: 1 5483 392851 2154002033