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54121343 = 371462739
BaseRepresentation
bin1100111001110…
…1001101111111
310202211122112012
43032131031333
5102323340333
65212001435
71225011113
oct316351577
9122748465
1054121343
1128606191
121616027b
13b29c283
14728b743
154b40e48
hex339d37f

54121343 has 4 divisors (see below), whose sum is σ = 55584120. Its totient is φ = 52658568.

The previous prime is 54121339. The next prime is 54121357. The reversal of 54121343 is 34312145.

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

It is a cyclic number.

It is not a de Polignac number, because 54121343 - 22 = 54121339 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54121313) 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, 731333 + ... + 731406.

It is an arithmetic number, because the mean of its divisors is an integer number (13896030).

Almost surely, 254121343 is an apocalyptic number.

54121343 is a deficient number, since it is larger than the sum of its proper divisors (1462777).

54121343 is a wasteful number, since it uses less digits than its factorization.

54121343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1462776.

The product of its digits is 1440, while the sum is 23.

The square root of 54121343 is about 7356.7209407453. The cubic root of 54121343 is about 378.2592190961.

Adding to 54121343 its reverse (34312145), we get a palindrome (88433488).

The spelling of 54121343 in words is "fifty-four million, one hundred twenty-one thousand, three hundred forty-three".

Divisors: 1 37 1462739 54121343