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54309730 = 2517319469
BaseRepresentation
bin1100111100101…
…1001101100010
310210012012221111
43033023031202
5102400402410
65220013534
71226424256
oct317131542
9123165844
1054309730
1128724782
12162312aa
13b336c47
1472da266
154b7bb8a
hex33cb362

54309730 has 16 divisors (see below), whose sum is σ = 103508280. Its totient is φ = 20445952.

The previous prime is 54309719. The next prime is 54309757. The reversal of 54309730 is 3790345.

It can be written as a sum of positive squares in 4 ways, for example, as 54302161 + 7569 = 7369^2 + 87^2 .

It is a junction number, because it is equal to n+sod(n) for n = 54309692 and 54309701.

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, 159565 + ... + 159904.

Almost surely, 254309730 is an apocalyptic number.

54309730 is a deficient number, since it is larger than the sum of its proper divisors (49198550).

54309730 is a wasteful number, since it uses less digits than its factorization.

54309730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319493.

The product of its (nonzero) digits is 11340, while the sum is 31.

The square root of 54309730 is about 7369.5135524674. The cubic root of 54309730 is about 378.6975957442.

The spelling of 54309730 in words is "fifty-four million, three hundred nine thousand, seven hundred thirty".

Divisors: 1 2 5 10 17 34 85 170 319469 638938 1597345 3194690 5430973 10861946 27154865 54309730