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45253109 = 1137111187
BaseRepresentation
bin1010110010100…
…0000111110101
310011011002121002
42230220013311
543041044414
64253533045
71056434156
oct254500765
9104132532
1045253109
11235a9370
12131a4185
1394b58b5
14601d92d
153e8d4de
hex2b281f5

45253109 has 8 divisors (see below), whose sum is σ = 50701728. Its totient is φ = 40026960.

The previous prime is 45253081. The next prime is 45253111. The reversal of 45253109 is 90135254.

45253109 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 45253109 - 216 = 45187573 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45253129) 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 7 ways as a sum of consecutive naturals, for example, 55187 + ... + 56000.

It is an arithmetic number, because the mean of its divisors is an integer number (6337716).

Almost surely, 245253109 is an apocalyptic number.

It is an amenable number.

45253109 is a deficient number, since it is larger than the sum of its proper divisors (5448619).

45253109 is a wasteful number, since it uses less digits than its factorization.

45253109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111235.

The product of its (nonzero) digits is 5400, while the sum is 29.

The square root of 45253109 is about 6727.0431097177. The cubic root of 45253109 is about 356.3549593680.

The spelling of 45253109 in words is "forty-five million, two hundred fifty-three thousand, one hundred nine".

Divisors: 1 11 37 407 111187 1223057 4113919 45253109