Search a number
-
+
45004445 = 5192343479
BaseRepresentation
bin1010101110101…
…1011010011101
310010200110111022
42223223122131
543010120240
64244333525
71054350203
oct253533235
9103613438
1045004445
1123449562
12130a42a5
139429665
145d97073
153e3e9b5
hex2aeb69d

45004445 has 32 divisors (see below), whose sum is σ = 60825600. Its totient is φ = 31800384.

The previous prime is 45004441. The next prime is 45004451. The reversal of 45004445 is 54440054.

It is a cyclic number.

It is not a de Polignac number, because 45004445 - 22 = 45004441 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45004441) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 93716 + ... + 94194.

It is an arithmetic number, because the mean of its divisors is an integer number (1900800).

Almost surely, 245004445 is an apocalyptic number.

It is an amenable number.

45004445 is a deficient number, since it is larger than the sum of its proper divisors (15821155).

45004445 is a wasteful number, since it uses less digits than its factorization.

45004445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 569.

The product of its (nonzero) digits is 6400, while the sum is 26.

The square root of 45004445 is about 6708.5352350569. The cubic root of 45004445 is about 355.7010414640.

Adding to 45004445 its reverse (54440054), we get a palindrome (99444499).

The spelling of 45004445 in words is "forty-five million, four thousand, four hundred forty-five".

Divisors: 1 5 19 23 43 95 115 215 437 479 817 989 2185 2395 4085 4945 9101 11017 18791 20597 45505 55085 93955 102985 209323 391343 473731 1046615 1956715 2368655 9000889 45004445