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268914545 = 553782909
BaseRepresentation
bin10000000001110…
…100111101110001
3200202000021101222
4100001310331301
51022320231140
642403434425
76443510264
oct2001647561
9622007358
10268914545
11128882529
1276085a15
1343935a43
1427a00cdb
151891d5b5
hex10074f71

268914545 has 4 divisors (see below), whose sum is σ = 322697460. Its totient is φ = 215131632.

The previous prime is 268914539. The next prime is 268914577. The reversal of 268914545 is 545419862.

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 173422561 + 95491984 = 13169^2 + 9772^2 .

It is a cyclic number.

It is not a de Polignac number, because 268914545 - 212 = 268910449 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 268914496 and 268914505.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26891450 + ... + 26891459.

It is an arithmetic number, because the mean of its divisors is an integer number (80674365).

Almost surely, 2268914545 is an apocalyptic number.

It is an amenable number.

268914545 is a deficient number, since it is larger than the sum of its proper divisors (53782915).

268914545 is an equidigital number, since it uses as much as digits as its factorization.

268914545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53782914.

The product of its digits is 345600, while the sum is 44.

The square root of 268914545 is about 16398.6141182723. The cubic root of 268914545 is about 645.4631171098.

The spelling of 268914545 in words is "two hundred sixty-eight million, nine hundred fourteen thousand, five hundred forty-five".

Divisors: 1 5 53782909 268914545