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54247424 = 21471143
BaseRepresentation
bin1100111011110…
…0000000000000
310210002001110212
43032330000000
5102341404144
65214413252
71226044520
oct316740000
9123061425
1054247424
1128691990
1216201228
13b31478a
1472c1680
154b6849e
hex33bc000

54247424 has 120 divisors (see below), whose sum is σ = 138407808. Its totient is φ = 20643840.

The previous prime is 54247423. The next prime is 54247433. The reversal of 54247424 is 42474245.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54247423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1261547 + ... + 1261589.

Almost surely, 254247424 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 54247424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69203904).

54247424 is an abundant number, since it is smaller than the sum of its proper divisors (84160384).

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

54247424 is an equidigital number, since it uses as much as digits as its factorization.

54247424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89 (or 63 counting only the distinct ones).

The product of its digits is 35840, while the sum is 32.

The square root of 54247424 is about 7365.2850589777. The cubic root of 54247424 is about 378.5527220037.

The spelling of 54247424 in words is "fifty-four million, two hundred forty-seven thousand, four hundred twenty-four".

Divisors: 1 2 4 7 8 11 14 16 22 28 32 43 44 56 64 77 86 88 112 128 154 172 176 224 256 301 308 344 352 448 473 512 602 616 688 704 896 946 1024 1204 1232 1376 1408 1792 1892 2048 2408 2464 2752 2816 3311 3584 3784 4096 4816 4928 5504 5632 6622 7168 7568 8192 9632 9856 11008 11264 13244 14336 15136 16384 19264 19712 22016 22528 26488 28672 30272 38528 39424 44032 45056 52976 57344 60544 77056 78848 88064 90112 105952 114688 121088 154112 157696 176128 180224 211904 242176 308224 315392 352256 423808 484352 616448 630784 704512 847616 968704 1232896 1261568 1695232 1937408 2465792 3390464 3874816 4931584 6780928 7749632 13561856 27123712 54247424