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54628730 = 2513420221
BaseRepresentation
bin1101000001100…
…1000101111010
310210210102112022
43100121011322
5102441104410
65230514442
71232223302
oct320310572
9123712468
1054628730
1128922412
1216365a22
13b4191c0
147380602
154be1455
hex341917a

54628730 has 16 divisors (see below), whose sum is σ = 105895944. Its totient is φ = 20170560.

The previous prime is 54628723. The next prime is 54628753. The reversal of 54628730 is 3782645.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 19971961 + 34656769 = 4469^2 + 5887^2 .

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, 209981 + ... + 210240.

Almost surely, 254628730 is an apocalyptic number.

54628730 is a deficient number, since it is larger than the sum of its proper divisors (51267214).

54628730 is a wasteful number, since it uses less digits than its factorization.

54628730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 420241.

The product of its (nonzero) digits is 40320, while the sum is 35.

The square root of 54628730 is about 7391.1250835039. The cubic root of 54628730 is about 379.4376029705.

The spelling of 54628730 in words is "fifty-four million, six hundred twenty-eight thousand, seven hundred thirty".

Divisors: 1 2 5 10 13 26 65 130 420221 840442 2101105 4202210 5462873 10925746 27314365 54628730