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54799405 = 537296213
BaseRepresentation
bin1101000100001…
…0110000101101
310211010002122121
43101002300231
5103012040110
65234312541
71233534013
oct321026055
9124102577
1054799405
1128a29671
1216428751
13b478aab
1473c68b3
154c26cda
hex3442c2d

54799405 has 8 divisors (see below), whose sum is σ = 67536792. Its totient is φ = 42654528.

The previous prime is 54799391. The next prime is 54799427. The reversal of 54799405 is 50499745.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 19027044 + 35772361 = 4362^2 + 5981^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 54799405 - 25 = 54799373 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 147922 + ... + 148291.

It is an arithmetic number, because the mean of its divisors is an integer number (8442099).

Almost surely, 254799405 is an apocalyptic number.

It is an amenable number.

54799405 is a deficient number, since it is larger than the sum of its proper divisors (12737387).

54799405 is a wasteful number, since it uses less digits than its factorization.

54799405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296255.

The product of its (nonzero) digits is 226800, while the sum is 43.

The square root of 54799405 is about 7402.6620211921. The cubic root of 54799405 is about 379.8323475585.

It can be divided in two parts, 5479 and 9405, that added together give a square (14884 = 1222).

The spelling of 54799405 in words is "fifty-four million, seven hundred ninety-nine thousand, four hundred five".

Divisors: 1 5 37 185 296213 1481065 10959881 54799405