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45160291 = 1189163283
BaseRepresentation
bin1010110001000…
…1011101100011
310010222101021101
42230101131203
543030112131
64251535231
71055566441
oct254213543
9103871241
1045160291
1123545660
121315a517
139482587
145dd7b91
153e70c61
hex2b11763

45160291 has 16 divisors (see below), whose sum is σ = 50302080. Its totient is φ = 40201920.

The previous prime is 45160289. The next prime is 45160303. The reversal of 45160291 is 19206154.

45160291 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 45160291 - 21 = 45160289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45160391) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 159436 + ... + 159718.

It is an arithmetic number, because the mean of its divisors is an integer number (3143880).

Almost surely, 245160291 is an apocalyptic number.

45160291 is a deficient number, since it is larger than the sum of its proper divisors (5141789).

45160291 is a wasteful number, since it uses less digits than its factorization.

45160291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 546.

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 45160291 is about 6720.1406979319. The cubic root of 45160291 is about 356.1111544290. Note that the first 4 decimals are identical.

It can be divided in two parts, 45160 and 291, that added together give a triangular number (45451 = T301).

The spelling of 45160291 in words is "forty-five million, one hundred sixty thousand, two hundred ninety-one".

Divisors: 1 11 89 163 283 979 1793 3113 14507 25187 46129 159577 277057 507419 4105481 45160291