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54309045 = 357517229
BaseRepresentation
bin1100111100101…
…1000010110101
310210012012000010
43033023002311
5102400342140
65220010433
71226422260
oct317130265
9123165003
1054309045
112872420a
1216230a19
13b33683b
1472d9cd7
154b7b880
hex33cb0b5

54309045 has 16 divisors (see below), whose sum is σ = 99308160. Its totient is φ = 24826944.

The previous prime is 54309041. The next prime is 54309053. The reversal of 54309045 is 54090345.

It is not a de Polignac number, because 54309045 - 22 = 54309041 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54309041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 258510 + ... + 258719.

It is an arithmetic number, because the mean of its divisors is an integer number (6206760).

Almost surely, 254309045 is an apocalyptic number.

It is an amenable number.

54309045 is a deficient number, since it is larger than the sum of its proper divisors (44999115).

54309045 is a wasteful number, since it uses less digits than its factorization.

54309045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 517244.

The product of its (nonzero) digits is 10800, while the sum is 30.

The square root of 54309045 is about 7369.4670770687. The cubic root of 54309045 is about 378.6960035867.

The spelling of 54309045 in words is "fifty-four million, three hundred nine thousand, forty-five".

Divisors: 1 3 5 7 15 21 35 105 517229 1551687 2586145 3620603 7758435 10861809 18103015 54309045