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54405471 = 349936343
BaseRepresentation
bin1100111110001…
…0100101011111
310210101002021110
43033202211133
5102411433341
65222033103
71230303351
oct317424537
9123332243
1054405471
112878a6aa
1216278793
13b36b6b3
1473230d1
154b9a216
hex33e295f

54405471 has 8 divisors (see below), whose sum is σ = 72688000. Its totient is φ = 36196632.

The previous prime is 54405469. The next prime is 54405499. The reversal of 54405471 is 17450445.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 54405471 - 21 = 54405469 is a prime.

It is a super-3 number, since 3×544054713 (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54405431) 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, 16675 + ... + 19668.

It is an arithmetic number, because the mean of its divisors is an integer number (9086000).

Almost surely, 254405471 is an apocalyptic number.

54405471 is a deficient number, since it is larger than the sum of its proper divisors (18282529).

54405471 is a wasteful number, since it uses less digits than its factorization.

54405471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36845.

The product of its (nonzero) digits is 11200, while the sum is 30.

The square root of 54405471 is about 7376.0064398020. The cubic root of 54405471 is about 378.9199966655.

The spelling of 54405471 in words is "fifty-four million, four hundred five thousand, four hundred seventy-one".

Divisors: 1 3 499 1497 36343 109029 18135157 54405471