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54081445 = 511983299
BaseRepresentation
bin1100111001001…
…1011110100101
310202202121210111
43032103132211
5102321101240
65211053021
71224453565
oct316233645
9122677714
1054081445
1128589210
1216141171
13b287072
14727ada5
154b341ea
hex33937a5

54081445 has 8 divisors (see below), whose sum is σ = 70797600. Its totient is φ = 39331920.

The previous prime is 54081439. The next prime is 54081451. The reversal of 54081445 is 54418045.

It is an interprime number because it is at equal distance from previous prime (54081439) and next prime (54081451).

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

It is not a de Polignac number, because 54081445 - 25 = 54081413 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 491595 + ... + 491704.

It is an arithmetic number, because the mean of its divisors is an integer number (8849700).

Almost surely, 254081445 is an apocalyptic number.

54081445 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

54081445 is a deficient number, since it is larger than the sum of its proper divisors (16716155).

54081445 is a wasteful number, since it uses less digits than its factorization.

54081445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 983315.

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

The square root of 54081445 is about 7354.0087707318. The cubic root of 54081445 is about 378.1662459390.

The spelling of 54081445 in words is "fifty-four million, eighty-one thousand, four hundred forty-five".

Divisors: 1 5 11 55 983299 4916495 10816289 54081445