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54757145 = 519576391
BaseRepresentation
bin1101000011100…
…0011100011001
310211000221200102
43100320130121
5103004212040
65233345145
71233266552
oct320703431
9124027612
1054757145
11289aa943
12164081b5
13b4627a1
1473b5329
154c19515
hex3438719

54757145 has 8 divisors (see below), whose sum is σ = 69167040. Its totient is φ = 41500080.

The previous prime is 54757139. The next prime is 54757147. The reversal of 54757145 is 54175745.

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

It is not a de Polignac number, because 54757145 - 220 = 53708569 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 54757099 and 54757108.

It is not an unprimeable number, because it can be changed into a prime (54757147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 288101 + ... + 288290.

It is an arithmetic number, because the mean of its divisors is an integer number (8645880).

Almost surely, 254757145 is an apocalyptic number.

It is an amenable number.

54757145 is a deficient number, since it is larger than the sum of its proper divisors (14409895).

54757145 is a wasteful number, since it uses less digits than its factorization.

54757145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 576415.

The product of its digits is 98000, while the sum is 38.

The square root of 54757145 is about 7399.8070920802. The cubic root of 54757145 is about 379.7346832194.

The spelling of 54757145 in words is "fifty-four million, seven hundred fifty-seven thousand, one hundred forty-five".

Divisors: 1 5 19 95 576391 2881955 10951429 54757145