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54521474 = 273894391
BaseRepresentation
bin1100111111111…
…0111010000010
310210120222101212
43033332322002
5102424141344
65224330122
71231265510
oct317767202
9123528355
1054521474
1128859877
1216313942
13b3ac437
1473534b0
154bbe79e
hex33fee82

54521474 has 8 divisors (see below), whose sum is σ = 93465408. Its totient is φ = 23366340.

The previous prime is 54521459. The next prime is 54521497. The reversal of 54521474 is 47412545.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×545214742 = 5945182254265352, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 54521474.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1947182 + ... + 1947209.

It is an arithmetic number, because the mean of its divisors is an integer number (11683176).

Almost surely, 254521474 is an apocalyptic number.

54521474 is a deficient number, since it is larger than the sum of its proper divisors (38943934).

54521474 is a wasteful number, since it uses less digits than its factorization.

54521474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3894400.

The product of its digits is 22400, while the sum is 32.

The square root of 54521474 is about 7383.8657896795. The cubic root of 54521474 is about 379.1891157555.

The spelling of 54521474 in words is "fifty-four million, five hundred twenty-one thousand, four hundred seventy-four".

Divisors: 1 2 7 14 3894391 7788782 27260737 54521474