Search a number
-
+
45155349 = 32172910177
BaseRepresentation
bin1010110001000…
…0010000010101
310010222010111100
42230100100111
543024432344
64251500313
71055546151
oct254202025
9103863440
1045155349
1123541978
1213157699
139480255
145dd6061
153e6e569
hex2b10415

45155349 has 24 divisors (see below), whose sum is σ = 71449560. Its totient is φ = 27353088.

The previous prime is 45155333. The next prime is 45155353. The reversal of 45155349 is 94355154.

It can be written as a sum of positive squares in 4 ways, for example, as 15800625 + 29354724 = 3975^2 + 5418^2 .

It is not a de Polignac number, because 45155349 - 24 = 45155333 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45155329) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 652 + ... + 9525.

It is an arithmetic number, because the mean of its divisors is an integer number (2977065).

Almost surely, 245155349 is an apocalyptic number.

It is an amenable number.

45155349 is a deficient number, since it is larger than the sum of its proper divisors (26294211).

45155349 is a wasteful number, since it uses less digits than its factorization.

45155349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10229 (or 10226 counting only the distinct ones).

The product of its digits is 54000, while the sum is 36.

The square root of 45155349 is about 6719.7729872370. The cubic root of 45155349 is about 356.0981639199.

The spelling of 45155349 in words is "forty-five million, one hundred fifty-five thousand, three hundred forty-nine".

Divisors: 1 3 9 17 29 51 87 153 261 493 1479 4437 10177 30531 91593 173009 295133 519027 885399 1557081 2656197 5017261 15051783 45155349