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54434478 = 2371296059
BaseRepresentation
bin1100111110100…
…1101010101110
310210102120001210
43033221222232
5102413400403
65222415250
71230454050
oct317515256
9123376053
1054434478
11287aa47a
1216291526
13b37b967
14732d8d0
154ba3b03
hex33e9aae

54434478 has 16 divisors (see below), whose sum is σ = 124421760. Its totient is φ = 15552696.

The previous prime is 54434467. The next prime is 54434503. The reversal of 54434478 is 87443445.

It is a super-2 number, since 2×544344782 = 5926224790264968, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 647988 + ... + 648071.

It is an arithmetic number, because the mean of its divisors is an integer number (7776360).

Almost surely, 254434478 is an apocalyptic number.

54434478 is an abundant number, since it is smaller than the sum of its proper divisors (69987282).

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

54434478 is a wasteful number, since it uses less digits than its factorization.

54434478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1296071.

The product of its digits is 215040, while the sum is 39.

The square root of 54434478 is about 7377.9724857172. The cubic root of 54434478 is about 378.9873267785.

The spelling of 54434478 in words is "fifty-four million, four hundred thirty-four thousand, four hundred seventy-eight".

Divisors: 1 2 3 6 7 14 21 42 1296059 2592118 3888177 7776354 9072413 18144826 27217239 54434478