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54612020 = 2252730601
BaseRepresentation
bin1101000001010…
…1000000110100
310210202120121102
43100111000310
5102440041040
65230305232
71232123501
oct320250064
9123676542
1054612020
1128910901
1216358218
13b411708
1473784a8
154bdb515
hex3415034

54612020 has 12 divisors (see below), whose sum is σ = 114685284. Its totient is φ = 21844800.

The previous prime is 54612011. The next prime is 54612043. The reversal of 54612020 is 2021645.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 13498276 + 41113744 = 3674^2 + 6412^2 .

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 2730601 = 54612020 / (5 + 4 + 6 + 1 + 2 + 0 + 2 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 54611983 and 54612001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1365281 + ... + 1365320.

It is an arithmetic number, because the mean of its divisors is an integer number (9557107).

Almost surely, 254612020 is an apocalyptic number.

It is an amenable number.

54612020 is an abundant number, since it is smaller than the sum of its proper divisors (60073264).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

54612020 is a wasteful number, since it uses less digits than its factorization.

54612020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2730610 (or 2730608 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 54612020 is about 7389.9945872781. The cubic root of 54612020 is about 379.3989111873.

Adding to 54612020 its reverse (2021645), we get a palindrome (56633665).

The spelling of 54612020 in words is "fifty-four million, six hundred twelve thousand, twenty".

Divisors: 1 2 4 5 10 20 2730601 5461202 10922404 13653005 27306010 54612020