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45270293 = 1973127257
BaseRepresentation
bin1010110010110…
…0010100010101
310011011222011112
42230230110111
543042122133
64254144405
71056535235
oct254542425
9104158145
1045270293
1123610272
12131b2105
1394c0673
146025cc5
153e93648
hex2b2c515

45270293 has 16 divisors (see below), whose sum is σ = 48875520. Its totient is φ = 41803776.

The previous prime is 45270283. The next prime is 45270299. The reversal of 45270293 is 39207254.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 45270293 - 26 = 45270229 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 (45270299) 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, 176021 + ... + 176277.

It is an arithmetic number, because the mean of its divisors is an integer number (3054720).

Almost surely, 245270293 is an apocalyptic number.

It is an amenable number.

45270293 is a deficient number, since it is larger than the sum of its proper divisors (3605227).

45270293 is a wasteful number, since it uses less digits than its factorization.

45270293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 476.

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 45270293 is about 6728.3202212737. The cubic root of 45270293 is about 356.4000599796.

The spelling of 45270293 in words is "forty-five million, two hundred seventy thousand, two hundred ninety-three".

Divisors: 1 19 73 127 257 1387 2413 4883 9271 18761 32639 176149 356459 620141 2382647 45270293