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2054525321 = 12301167021
BaseRepresentation
bin111101001110101…
…1001000110001001
312022011221200220102
41322131121012021
513201424302241
6535511335145
7101625114512
oct17235310611
95264850812
102054525321
119647a9312
124940814b5
13269858474
14156c0da09
15c058339b
hex7a759189

2054525321 has 4 divisors (see below), whose sum is σ = 2054704644. Its totient is φ = 2054346000.

The previous prime is 2054525267. The next prime is 2054525339. The reversal of 2054525321 is 1235254502.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1235254502 = 2617627251.

It can be written as a sum of positive squares in 2 ways, for example, as 580810000 + 1473715321 = 24100^2 + 38389^2 .

It is a cyclic number.

It is not a de Polignac number, because 2054525321 - 26 = 2054525257 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2051525321) 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, 71210 + ... + 95811.

It is an arithmetic number, because the mean of its divisors is an integer number (513676161).

Almost surely, 22054525321 is an apocalyptic number.

It is an amenable number.

2054525321 is a deficient number, since it is larger than the sum of its proper divisors (179323).

2054525321 is a wasteful number, since it uses less digits than its factorization.

2054525321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179322.

The product of its (nonzero) digits is 12000, while the sum is 29.

The square root of 2054525321 is about 45326.8719525184. The cubic root of 2054525321 is about 1271.2681488237.

Adding to 2054525321 its reverse (1235254502), we get a palindrome (3289779823).

The spelling of 2054525321 in words is "two billion, fifty-four million, five hundred twenty-five thousand, three hundred twenty-one".

Divisors: 1 12301 167021 2054525321