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268012545 = 35127140689
BaseRepresentation
bin11111111100110…
…00110000000001
3200200022110002120
433332120300001
51022102400140
642332234453
76433032453
oct1776306001
9620273076
10268012545
11128316879
127590ba29
13436ab308
14278482d3
15187e11d0
hexff98c01

268012545 has 16 divisors (see below), whose sum is σ = 432199680. Its totient is φ = 141813504.

The previous prime is 268012541. The next prime is 268012601. The reversal of 268012545 is 545210862.

268012545 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 268012545 - 22 = 268012541 is a prime.

It is not an unprimeable number, because it can be changed into a prime (268012541) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68440 + ... + 72249.

It is an arithmetic number, because the mean of its divisors is an integer number (27012480).

Almost surely, 2268012545 is an apocalyptic number.

It is an amenable number.

268012545 is a deficient number, since it is larger than the sum of its proper divisors (164187135).

268012545 is a wasteful number, since it uses less digits than its factorization.

268012545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140824.

The product of its (nonzero) digits is 19200, while the sum is 33.

The square root of 268012545 is about 16371.0886931810. The cubic root of 268012545 is about 644.7406324516.

It can be divided in two parts, 2680 and 12545, that added together give a triangular number (15225 = T174).

The spelling of 268012545 in words is "two hundred sixty-eight million, twelve thousand, five hundred forty-five".

Divisors: 1 3 5 15 127 381 635 1905 140689 422067 703445 2110335 17867503 53602509 89337515 268012545