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54281952 = 25321711087
BaseRepresentation
bin1100111100010…
…0011011100000
310210010210211200
43033010123200
5102344010302
65215241200
71226250264
oct317043340
9123123750
1054281952
112870591a
1216219200
13b3273ca
1472d00a4
154b7381c
hex33c46e0

54281952 has 72 divisors (see below), whose sum is σ = 163459296. Its totient is φ = 17028096.

The previous prime is 54281951. The next prime is 54281957. The reversal of 54281952 is 25918245.

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54281951) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 648 + ... + 10439.

It is an arithmetic number, because the mean of its divisors is an integer number (2270268).

Almost surely, 254281952 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 54281952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81729648).

54281952 is an abundant number, since it is smaller than the sum of its proper divisors (109177344).

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

54281952 is a wasteful number, since it uses less digits than its factorization.

54281952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11120 (or 11109 counting only the distinct ones).

The product of its digits is 28800, while the sum is 36.

The square root of 54281952 is about 7367.6286551373. The cubic root of 54281952 is about 378.6330201099.

The spelling of 54281952 in words is "fifty-four million, two hundred eighty-one thousand, nine hundred fifty-two".

Divisors: 1 2 3 4 6 8 9 12 16 17 18 24 32 34 36 48 51 68 72 96 102 136 144 153 204 272 288 306 408 544 612 816 1224 1632 2448 4896 11087 22174 33261 44348 66522 88696 99783 133044 177392 188479 199566 266088 354784 376958 399132 532176 565437 753916 798264 1064352 1130874 1507832 1596528 1696311 2261748 3015664 3193056 3392622 4523496 6031328 6785244 9046992 13570488 18093984 27140976 54281952