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2154452104 = 237192024861
BaseRepresentation
bin1000000001101010…
…0101010010001000
312120010222111200101
42000122211102020
513403014431404
6553441215144
7104250353320
oct20032452210
95503874611
102154452104
11a0614a832
125016314b4
1328447483c
141661c2280
15c92212a4
hex806a5488

2154452104 has 32 divisors (see below), whose sum is σ = 4859668800. Its totient is φ = 874739520.

The previous prime is 2154452101. The next prime is 2154452117. The reversal of 2154452104 is 4012544512.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is not an unprimeable number, because it can be changed into a prime (2154452101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1011367 + ... + 1013494.

It is an arithmetic number, because the mean of its divisors is an integer number (151864650).

Almost surely, 22154452104 is an apocalyptic number.

It is an amenable number.

2154452104 is an abundant number, since it is smaller than the sum of its proper divisors (2705216696).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2154452104 is a wasteful number, since it uses less digits than its factorization.

2154452104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2024893 (or 2024889 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 28.

The square root of 2154452104 is about 46416.0759220337. The cubic root of 2154452104 is about 1291.5531448054.

Adding to 2154452104 its reverse (4012544512), we get a palindrome (6166996616).

The spelling of 2154452104 in words is "two billion, one hundred fifty-four million, four hundred fifty-two thousand, one hundred four".

Divisors: 1 2 4 7 8 14 19 28 38 56 76 133 152 266 532 1064 2024861 4049722 8099444 14174027 16198888 28348054 38472359 56696108 76944718 113392216 153889436 269306513 307778872 538613026 1077226052 2154452104