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2154544082 = 231107324773
BaseRepresentation
bin1000000001101011…
…1011101111010010
312120011011011211222
42000122323233102
513403030402312
6553443205042
7104251215425
oct20032735722
95504134758
102154544082
11a06202949
12501676782
132844a7672
141662079bc
15c923d672
hex806bbbd2

2154544082 has 16 divisors (see below), whose sum is σ = 3367256832. Its totient is φ = 1032774960.

The previous prime is 2154544081. The next prime is 2154544099. The reversal of 2154544082 is 2804454512.

2154544082 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (2154544081) 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, 155753 + ... + 169020.

It is an arithmetic number, because the mean of its divisors is an integer number (210453552).

Almost surely, 22154544082 is an apocalyptic number.

2154544082 is a deficient number, since it is larger than the sum of its proper divisors (1212712750).

2154544082 is a wasteful number, since it uses less digits than its factorization.

2154544082 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324913.

The product of its (nonzero) digits is 51200, while the sum is 35.

The square root of 2154544082 is about 46417.0667104245. The cubic root of 2154544082 is about 1291.5715242323.

Adding to 2154544082 its reverse (2804454512), we get a palindrome (4958998594).

The spelling of 2154544082 in words is "two billion, one hundred fifty-four million, five hundred forty-four thousand, eighty-two".

Divisors: 1 2 31 62 107 214 3317 6634 324773 649546 10067963 20135926 34750711 69501422 1077272041 2154544082