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45293289 = 3471392311
BaseRepresentation
bin1010110011000…
…1111011101001
310011020010201020
42230301323221
543043341124
64254443053
71056662256
oct254617351
9104203636
1045293289
1123626578
1213203489
1394cac82
14603042d
153e9a379
hex2b31ee9

45293289 has 16 divisors (see below), whose sum is σ = 62146560. Its totient is φ = 29327760.

The previous prime is 45293267. The next prime is 45293309. The reversal of 45293289 is 98239254.

It is not a de Polignac number, because 45293289 - 27 = 45293161 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 45293289.

It is not an unprimeable number, because it can be changed into a prime (45293249) 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, 18444 + ... + 20754.

It is an arithmetic number, because the mean of its divisors is an integer number (3884160).

Almost surely, 245293289 is an apocalyptic number.

It is an amenable number.

45293289 is a deficient number, since it is larger than the sum of its proper divisors (16853271).

45293289 is a wasteful number, since it uses less digits than its factorization.

45293289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2500.

The product of its digits is 155520, while the sum is 42.

The square root of 45293289 is about 6730.0289003837. The cubic root of 45293289 is about 356.4603967397.

The spelling of 45293289 in words is "forty-five million, two hundred ninety-three thousand, two hundred eighty-nine".

Divisors: 1 3 47 139 141 417 2311 6533 6933 19599 108617 321229 325851 963687 15097763 45293289