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54093690 = 2335728621
BaseRepresentation
bin1100111001011…
…0011101111010
310202210020121000
43032112131322
5102321444230
65211225430
71224534360
oct316263572
9122706530
1054093690
1128597432
1216148276
13b28c801
147281630
154b37b60
hex339677a

54093690 has 64 divisors (see below), whose sum is σ = 164862720. Its totient is φ = 12363840.

The previous prime is 54093659. The next prime is 54093691. The reversal of 54093690 is 9639045.

It is a super-2 number, since 2×540936902 = 5852254595632200, which contains 22 as substring.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (54093691) 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, 12421 + ... + 16200.

It is an arithmetic number, because the mean of its divisors is an integer number (2575980).

Almost surely, 254093690 is an apocalyptic number.

54093690 is an abundant number, since it is smaller than the sum of its proper divisors (110769030).

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

54093690 is a wasteful number, since it uses less digits than its factorization.

54093690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28644 (or 28638 counting only the distinct ones).

The product of its (nonzero) digits is 29160, while the sum is 36.

The square root of 54093690 is about 7354.8412627330. The cubic root of 54093690 is about 378.1947849708.

The spelling of 54093690 in words is "fifty-four million, ninety-three thousand, six hundred ninety".

Divisors: 1 2 3 5 6 7 9 10 14 15 18 21 27 30 35 42 45 54 63 70 90 105 126 135 189 210 270 315 378 630 945 1890 28621 57242 85863 143105 171726 200347 257589 286210 400694 429315 515178 601041 772767 858630 1001735 1202082 1287945 1545534 1803123 2003470 2575890 3005205 3606246 3863835 5409369 6010410 7727670 9015615 10818738 18031230 27046845 54093690