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54398871 = 34671591
BaseRepresentation
bin1100111110000…
…0111110010111
310210100202020000
43033200332113
5102411230441
65221542343
71230245202
oct317407627
9123322200
1054398871
112878574a
12162749b3
13b3686a7
147320939
154b982b6
hex33e0f97

54398871 has 10 divisors (see below), whose sum is σ = 81262632. Its totient is φ = 36265860.

The previous prime is 54398863. The next prime is 54398873. The reversal of 54398871 is 17889345.

It is not a de Polignac number, because 54398871 - 23 = 54398863 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54398873) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 335715 + ... + 335876.

Almost surely, 254398871 is an apocalyptic number.

54398871 is a deficient number, since it is larger than the sum of its proper divisors (26863761).

54398871 is an equidigital number, since it uses as much as digits as its factorization.

54398871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 671603 (or 671594 counting only the distinct ones).

The product of its digits is 241920, while the sum is 45.

The square root of 54398871 is about 7375.5590296601. The cubic root of 54398871 is about 378.9046736164.

The spelling of 54398871 in words is "fifty-four million, three hundred ninety-eight thousand, eight hundred seventy-one".

Divisors: 1 3 9 27 81 671591 2014773 6044319 18132957 54398871