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2054254209 = 371493112111
BaseRepresentation
bin111101001110001…
…0110111010000001
312022011102221000020
41322130112322001
513201342113314
6535501444053
7101622605220
oct17234267201
95264387006
102054254209
11964633657
12493b70629
13269791c47
14156b7ccb7
15c052cda9
hex7a716e81

2054254209 has 32 divisors (see below), whose sum is σ = 3162931200. Its totient is φ = 1161681600.

The previous prime is 2054254193. The next prime is 2054254229. The reversal of 2054254209 is 9024524502.

It is not a de Polignac number, because 2054254209 - 24 = 2054254193 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2054254209.

It is not an unprimeable number, because it can be changed into a prime (2054254229) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 972064 + ... + 974174.

It is an arithmetic number, because the mean of its divisors is an integer number (98841600).

Almost surely, 22054254209 is an apocalyptic number.

It is an amenable number.

2054254209 is a deficient number, since it is larger than the sum of its proper divisors (1108676991).

2054254209 is a wasteful number, since it uses less digits than its factorization.

2054254209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2581.

The product of its (nonzero) digits is 28800, while the sum is 33.

The square root of 2054254209 is about 45323.8812217136. The cubic root of 2054254209 is about 1271.2122281676.

The spelling of 2054254209 in words is "two billion, fifty-four million, two hundred fifty-four thousand, two hundred nine".

Divisors: 1 3 7 21 149 311 447 933 1043 2111 2177 3129 6333 6531 14777 44331 46339 139017 314539 324373 656521 943617 973119 1969563 2201773 4595647 6605319 13786941 97821629 293464887 684751403 2054254209