Search a number
-
+
2054555401 = 19910324399
BaseRepresentation
bin111101001110110…
…0000011100001001
312022012000020011111
41322131200130021
513201431233101
6535512130321
7101625301303
oct17235403411
95265006144
102054555401
11964819978
124940969a1
13269869072
14156c1a973
15c058c251
hex7a760709

2054555401 has 4 divisors (see below), whose sum is σ = 2064880000. Its totient is φ = 2044230804.

The previous prime is 2054555389. The next prime is 2054555429. The reversal of 2054555401 is 1045554502.

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 2054555401 - 25 = 2054555369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2054550401) 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, 5162001 + ... + 5162398.

It is an arithmetic number, because the mean of its divisors is an integer number (516220000).

Almost surely, 22054555401 is an apocalyptic number.

It is an amenable number.

2054555401 is a deficient number, since it is larger than the sum of its proper divisors (10324599).

2054555401 is a wasteful number, since it uses less digits than its factorization.

2054555401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10324598.

The product of its (nonzero) digits is 20000, while the sum is 31.

The square root of 2054555401 is about 45327.2037633031. The cubic root of 2054555401 is about 1271.2743529428.

The spelling of 2054555401 in words is "two billion, fifty-four million, five hundred fifty-five thousand, four hundred one".

Divisors: 1 199 10324399 2054555401