Search a number
-
+
2054390893 = 7173607653
BaseRepresentation
bin111101001110011…
…1000010001101101
312022011200212111121
41322130320101231
513201411002033
6535504420541
7101624014552
oct17234702155
95264625447
102054390893
11964717315
12494017751
1326980c219
14156bb6a29
15c055862d
hex7a73846d

2054390893 has 16 divisors (see below), whose sum is σ = 2118583296. Its totient is φ = 1991364480.

The previous prime is 2054390887. The next prime is 2054390909. The reversal of 2054390893 is 3980934502.

It is a cyclic number.

It is not a de Polignac number, because 2054390893 - 25 = 2054390861 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2054390873) 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 15 ways as a sum of consecutive naturals, for example, 3145755 + ... + 3146407.

It is an arithmetic number, because the mean of its divisors is an integer number (132411456).

Almost surely, 22054390893 is an apocalyptic number.

It is an amenable number.

2054390893 is a deficient number, since it is larger than the sum of its proper divisors (64192403).

2054390893 is an equidigital number, since it uses as much as digits as its factorization.

2054390893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1404.

The product of its (nonzero) digits is 233280, while the sum is 43.

The square root of 2054390893 is about 45325.3890551422. The cubic root of 2054390893 is about 1271.2404217764.

The spelling of 2054390893 in words is "two billion, fifty-four million, three hundred ninety thousand, eight hundred ninety-three".

Divisors: 1 71 73 607 653 5183 43097 44311 46363 47669 396371 3146081 3384499 28142341 28935083 2054390893