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54248512 = 263137739
BaseRepresentation
bin1100111011110…
…0010001000000
310210002002222011
43032330101000
5102341423022
65214422304
71226050633
oct316742100
9123062864
1054248512
112869278a
1216201994
13b315116
1472c1c1a
154b68977
hex33bc440

54248512 has 56 divisors (see below), whose sum is σ = 114279680. Its totient is φ = 25505280.

The previous prime is 54248507. The next prime is 54248539. The reversal of 54248512 is 21584245.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73039 + ... + 73777.

Almost surely, 254248512 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 54248512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57139840).

54248512 is an abundant number, since it is smaller than the sum of its proper divisors (60031168).

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

54248512 is a wasteful number, since it uses less digits than its factorization.

54248512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 819 (or 809 counting only the distinct ones).

The product of its digits is 12800, while the sum is 31.

The square root of 54248512 is about 7365.3589186135. The cubic root of 54248512 is about 378.5552527697. Note that the first 3 decimals are identical.

The spelling of 54248512 in words is "fifty-four million, two hundred forty-eight thousand, five hundred twelve".

Divisors: 1 2 4 8 16 31 32 37 62 64 74 124 148 248 296 496 592 739 992 1147 1184 1478 1984 2294 2368 2956 4588 5912 9176 11824 18352 22909 23648 27343 36704 45818 47296 54686 73408 91636 109372 183272 218744 366544 437488 733088 847633 874976 1466176 1695266 1749952 3390532 6781064 13562128 27124256 54248512