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545289241 = 7111769739
BaseRepresentation
bin100000100000000…
…111010000011001
31102000001120012211
4200200013100121
52104043223431
6130035235121
716340611360
oct4040072031
91360046184
10545289241
1125a88a972
12132748aa1
1388c81273
14525c47d7
1532d122b1
hex20807419

545289241 has 8 divisors (see below), whose sum is σ = 623754560. Its totient is φ = 466965648.

The previous prime is 545289193. The next prime is 545289247. The reversal of 545289241 is 142982545.

It is a happy number.

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 545289241 - 213 = 545281049 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 545289194 and 545289203.

It is not an unprimeable number, because it can be changed into a prime (545289247) 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, 27051 + ... + 42688.

It is an arithmetic number, because the mean of its divisors is an integer number (77969320).

Almost surely, 2545289241 is an apocalyptic number.

It is an amenable number.

545289241 is a deficient number, since it is larger than the sum of its proper divisors (78465319).

545289241 is a wasteful number, since it uses less digits than its factorization.

545289241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70863.

The product of its digits is 115200, while the sum is 40.

The square root of 545289241 is about 23351.4290997361. The cubic root of 545289241 is about 816.9753936100.

The spelling of 545289241 in words is "five hundred forty-five million, two hundred eighty-nine thousand, two hundred forty-one".

Divisors: 1 7 1117 7819 69739 488173 77898463 545289241