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544242101 = 13291443613
BaseRepresentation
bin100000011100000…
…111100110110101
31101221002100210212
4200130013212311
52103311221401
6130000555205
716325660444
oct4034074665
91357070725
10544242101
1125a235167
12132322b05
13889a5760
14523d0d5b
1532ba6dbb
hex207079b5

544242101 has 8 divisors (see below), whose sum is σ = 606317880. Its totient is φ = 485053632.

The previous prime is 544242091. The next prime is 544242109. The reversal of 544242101 is 101242445.

It can be written as a sum of positive squares in 4 ways, for example, as 15288100 + 528954001 = 3910^2 + 22999^2 .

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 544242101 - 26 = 544242037 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 (544242109) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 721430 + ... + 722183.

It is an arithmetic number, because the mean of its divisors is an integer number (75789735).

Almost surely, 2544242101 is an apocalyptic number.

It is an amenable number.

544242101 is a deficient number, since it is larger than the sum of its proper divisors (62075779).

544242101 is a wasteful number, since it uses less digits than its factorization.

544242101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1443655.

The product of its (nonzero) digits is 1280, while the sum is 23.

The square root of 544242101 is about 23328.9969994426. The cubic root of 544242101 is about 816.4521020289.

Adding to 544242101 its reverse (101242445), we get a palindrome (645484546).

The spelling of 544242101 in words is "five hundred forty-four million, two hundred forty-two thousand, one hundred one".

Divisors: 1 13 29 377 1443613 18766969 41864777 544242101