Search a number
-
+
2154402341 = 713231029337
BaseRepresentation
bin1000000001101001…
…1001001000100101
312120010212222102022
42000122121020211
513403011333331
6553440152525
7104250055250
oct20032311045
95503788368
102154402341
11a06116403
12501608745
13284457cb0
141661ac097
15c921167b
hex80699225

2154402341 has 16 divisors (see below), whose sum is σ = 2766860544. Its totient is φ = 1630468224.

The previous prime is 2154402317. The next prime is 2154402379. The reversal of 2154402341 is 1432044512.

It is a de Polignac number, because none of the positive numbers 2k-2154402341 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2154402341.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2154402391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 512576 + ... + 516761.

It is an arithmetic number, because the mean of its divisors is an integer number (172928784).

Almost surely, 22154402341 is an apocalyptic number.

It is an amenable number.

2154402341 is a deficient number, since it is larger than the sum of its proper divisors (612458203).

2154402341 is a wasteful number, since it uses less digits than its factorization.

2154402341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1029380.

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 2154402341 is about 46415.5398654373. The cubic root of 2154402341 is about 1291.5432007375.

Adding to 2154402341 its reverse (1432044512), we get a palindrome (3586446853).

The spelling of 2154402341 in words is "two billion, one hundred fifty-four million, four hundred two thousand, three hundred forty-one".

Divisors: 1 7 13 23 91 161 299 2093 1029337 7205359 13381381 23674751 93669667 165723257 307771763 2154402341