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2154425054 = 21077212527
BaseRepresentation
bin1000000001101001…
…1110101011011110
312120010221010120112
42000122132223132
513403013100204
6553440450022
7104250211415
oct20032365336
95503833515
102154425054
11a06131481
12501619912
13284465432
141661b647c
15c921826e
hex8069eade

2154425054 has 4 divisors (see below), whose sum is σ = 3231637584. Its totient is φ = 1077212526.

The previous prime is 2154424981. The next prime is 2154425059. The reversal of 2154425054 is 4505244512.

2154425054 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2154425054.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2154425059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 538606262 + ... + 538606265.

It is an arithmetic number, because the mean of its divisors is an integer number (807909396).

Almost surely, 22154425054 is an apocalyptic number.

2154425054 is a deficient number, since it is larger than the sum of its proper divisors (1077212530).

2154425054 is a wasteful number, since it uses less digits than its factorization.

2154425054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1077212529.

The product of its (nonzero) digits is 32000, while the sum is 32.

The square root of 2154425054 is about 46415.7845350049. The cubic root of 2154425054 is about 1291.5477394622.

Adding to 2154425054 its reverse (4505244512), we get a palindrome (6659669566).

The spelling of 2154425054 in words is "two billion, one hundred fifty-four million, four hundred twenty-five thousand, fifty-four".

Divisors: 1 2 1077212527 2154425054