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54677641 = 411333601
BaseRepresentation
bin1101000010010…
…1000010001001
310210212220121211
43100211002021
5102444141031
65231533121
71232516014
oct320450211
9123786554
1054677641
1128956137
121638a1a1
13b435545
14739437b
154c00bb1
hex3425089

54677641 has 4 divisors (see below), whose sum is σ = 56011284. Its totient is φ = 53344000.

The previous prime is 54677633. The next prime is 54677669. The reversal of 54677641 is 14677645.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 20793600 + 33884041 = 4560^2 + 5821^2 .

It is a cyclic number.

It is not a de Polignac number, because 54677641 - 23 = 54677633 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 54677594 and 54677603.

It is not an unprimeable number, because it can be changed into a prime (54677671) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 666760 + ... + 666841.

It is an arithmetic number, because the mean of its divisors is an integer number (14002821).

Almost surely, 254677641 is an apocalyptic number.

It is an amenable number.

54677641 is a deficient number, since it is larger than the sum of its proper divisors (1333643).

54677641 is a wasteful number, since it uses less digits than its factorization.

54677641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1333642.

The product of its digits is 141120, while the sum is 40.

The square root of 54677641 is about 7394.4331087650. The cubic root of 54677641 is about 379.5508104141.

It can be divided in two parts, 546 and 77641, that added together give a palindrome (78187).

The spelling of 54677641 in words is "fifty-four million, six hundred seventy-seven thousand, six hundred forty-one".

Divisors: 1 41 1333601 54677641