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54242245 = 5192392389
BaseRepresentation
bin1100111011101…
…0101111000101
310210001210101001
43032322233011
5102341222440
65214333301
71226023441
oct316725705
9123053331
1054242245
1128689002
12161ba231
13b312305
1472bd821
154b66b9a
hex33babc5

54242245 has 16 divisors (see below), whose sum is σ = 68832000. Its totient is φ = 40920768.

The previous prime is 54242239. The next prime is 54242263. The reversal of 54242245 is 54224245.

It is a cyclic number.

It is not a de Polignac number, because 54242245 - 25 = 54242213 is a prime.

It is a super-2 number, since 2×542422452 = 5884442285280050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21511 + ... + 23899.

It is an arithmetic number, because the mean of its divisors is an integer number (4302000).

Almost surely, 254242245 is an apocalyptic number.

It is an amenable number.

54242245 is a deficient number, since it is larger than the sum of its proper divisors (14589755).

54242245 is a wasteful number, since it uses less digits than its factorization.

54242245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2652.

The product of its digits is 12800, while the sum is 28.

The square root of 54242245 is about 7364.9334688102. The cubic root of 54242245 is about 378.5406748145.

The spelling of 54242245 in words is "fifty-four million, two hundred forty-two thousand, two hundred forty-five".

Divisors: 1 5 19 95 239 1195 2389 4541 11945 22705 45391 226955 570971 2854855 10848449 54242245