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54772871 = 409133919
BaseRepresentation
bin1101000011110…
…0010010000111
310211001202020212
43100330102013
5103010212441
65233550035
71233363446
oct320742207
9124052225
1054772871
1128a1073a
121641531b
13b4699aa
1473bad5d
154c1deeb
hex343c487

54772871 has 4 divisors (see below), whose sum is σ = 54907200. Its totient is φ = 54638544.

The previous prime is 54772853. The next prime is 54772873. The reversal of 54772871 is 17827745.

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

It is a cyclic number.

It is not a de Polignac number, because 54772871 - 26 = 54772807 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54772873) 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, 66551 + ... + 67368.

It is an arithmetic number, because the mean of its divisors is an integer number (13726800).

Almost surely, 254772871 is an apocalyptic number.

54772871 is a deficient number, since it is larger than the sum of its proper divisors (134329).

54772871 is a wasteful number, since it uses less digits than its factorization.

54772871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134328.

The product of its digits is 109760, while the sum is 41.

The square root of 54772871 is about 7400.8696110660. The cubic root of 54772871 is about 379.7710324243.

The spelling of 54772871 in words is "fifty-four million, seven hundred seventy-two thousand, eight hundred seventy-one".

Divisors: 1 409 133919 54772871