Search a number
-
+
2154035533 = 13821201821
BaseRepresentation
bin1000000001100011…
…1111100101001101
312120010012100020211
42000120333211031
513402413114113
6553424242421
7104243666656
oct20030774515
95503170224
102154035533
11a05995861
12501470411
1328435a050
1416611452d
15c918cb3d
hex8063f94d

2154035533 has 8 divisors (see below), whose sum is σ = 2322567576. Its totient is φ = 1985908800.

The previous prime is 2154035531. The next prime is 2154035591. The reversal of 2154035533 is 3355304512.

It can be written as a sum of positive squares in 4 ways, for example, as 1261129 + 2152774404 = 1123^2 + 46398^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2154035533 - 21 = 2154035531 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2154035495 and 2154035504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2154035531) 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, 90238 + ... + 111583.

It is an arithmetic number, because the mean of its divisors is an integer number (290320947).

Almost surely, 22154035533 is an apocalyptic number.

It is an amenable number.

2154035533 is a deficient number, since it is larger than the sum of its proper divisors (168532043).

2154035533 is a wasteful number, since it uses less digits than its factorization.

2154035533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202655.

The product of its (nonzero) digits is 27000, while the sum is 31.

The square root of 2154035533 is about 46411.5883481701. The cubic root of 2154035533 is about 1291.4698973038.

The spelling of 2154035533 in words is "two billion, one hundred fifty-four million, thirty-five thousand, five hundred thirty-three".

Divisors: 1 13 821 10673 201821 2623673 165695041 2154035533