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54001047 = 318000349
BaseRepresentation
bin1100110111111…
…1110110010111
310202121112111210
43031333312113
5102311013142
65205232503
71224000312
oct315776627
9122545453
1054001047
1128533871
1216102733
13b2595a9
147259979
154b1a49c
hex337fd97

54001047 has 4 divisors (see below), whose sum is σ = 72001400. Its totient is φ = 36000696.

The previous prime is 54001037. The next prime is 54001063. The reversal of 54001047 is 74010045.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 54001047 - 211 = 53998999 is a prime.

It is a super-2 number, since 2×540010472 = 5832226154192418, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54001037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9000172 + ... + 9000177.

It is an arithmetic number, because the mean of its divisors is an integer number (18000350).

Almost surely, 254001047 is an apocalyptic number.

54001047 is a deficient number, since it is larger than the sum of its proper divisors (18000353).

54001047 is a wasteful number, since it uses less digits than its factorization.

54001047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18000352.

The product of its (nonzero) digits is 560, while the sum is 21.

The square root of 54001047 is about 7348.5404673309. The cubic root of 54001047 is about 377.9787577996.

The spelling of 54001047 in words is "fifty-four million, one thousand, forty-seven".

Divisors: 1 3 18000349 54001047