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54213894 = 233732927
BaseRepresentation
bin1100111011001…
…1110100000110
310210000100111000
43032303310012
5102334321034
65213554130
71225545000
oct316636406
9123010430
1054213894
1128669779
12161a5946
13b302437
1472b3370
154b5d599
hex33b3d06

54213894 has 64 divisors (see below), whose sum is σ = 140544000. Its totient is φ = 15484392.

The previous prime is 54213793. The next prime is 54213899. The reversal of 54213894 is 49831245.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54213899) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17059 + ... + 19985.

It is an arithmetic number, because the mean of its divisors is an integer number (2196000).

Almost surely, 254213894 is an apocalyptic number.

54213894 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 54213894, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70272000).

54213894 is an abundant number, since it is smaller than the sum of its proper divisors (86330106).

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

54213894 is a wasteful number, since it uses less digits than its factorization.

54213894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2959 (or 2939 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 54213894 is about 7363.0084883830. The cubic root of 54213894 is about 378.4747122239.

The spelling of 54213894 in words is "fifty-four million, two hundred thirteen thousand, eight hundred ninety-four".

Divisors: 1 2 3 6 7 9 14 18 21 27 42 49 54 63 98 126 147 189 294 343 378 441 686 882 1029 1323 2058 2646 2927 3087 5854 6174 8781 9261 17562 18522 20489 26343 40978 52686 61467 79029 122934 143423 158058 184401 286846 368802 430269 553203 860538 1003961 1106406 1290807 2007922 2581614 3011883 3872421 6023766 7744842 9035649 18071298 27106947 54213894