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54147045 = 353609803
BaseRepresentation
bin1100111010001…
…1011111100101
310202212221210010
43032203133211
5102330201140
65212320433
71225146051
oct316433745
9122787703
1054147045
1128623527
1216173119
13b2aab94
147296c61
154b48880
hex33a37e5

54147045 has 8 divisors (see below), whose sum is σ = 86635296. Its totient is φ = 28878416.

The previous prime is 54147013. The next prime is 54147059. The reversal of 54147045 is 54074145.

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

It is a cyclic number.

It is not a de Polignac number, because 54147045 - 25 = 54147013 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, 1804887 + ... + 1804916.

It is an arithmetic number, because the mean of its divisors is an integer number (10829412).

Almost surely, 254147045 is an apocalyptic number.

It is an amenable number.

54147045 is a deficient number, since it is larger than the sum of its proper divisors (32488251).

54147045 is a wasteful number, since it uses less digits than its factorization.

54147045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3609811.

The product of its (nonzero) digits is 11200, while the sum is 30.

The square root of 54147045 is about 7358.4675714445. The cubic root of 54147045 is about 378.3190875284.

Subtracting from 54147045 its reverse (54074145), we obtain a square (72900 = 2702).

It can be divided in two parts, 541 and 47045, that added together give a triangular number (47586 = T308).

The spelling of 54147045 in words is "fifty-four million, one hundred forty-seven thousand, forty-five".

Divisors: 1 3 5 15 3609803 10829409 18049015 54147045