Search a number
-
+
45388805 = 5711313803
BaseRepresentation
bin1010110100100…
…1010000000101
310011101222201212
42231021100011
543104420210
64300501205
71060540610
oct255112005
9104358655
1045388805
1123691310
121324a805
1395325a7
146057177
153eb8805
hex2b49405

45388805 has 32 divisors (see below), whose sum is σ = 70115328. Its totient is φ = 27374400.

The previous prime is 45388801. The next prime is 45388831. The reversal of 45388805 is 50888354.

It is not a de Polignac number, because 45388805 - 22 = 45388801 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 (45388801) 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, 10034 + ... + 13836.

It is an arithmetic number, because the mean of its divisors is an integer number (2191104).

Almost surely, 245388805 is an apocalyptic number.

It is an amenable number.

45388805 is a deficient number, since it is larger than the sum of its proper divisors (24726523).

45388805 is a wasteful number, since it uses less digits than its factorization.

45388805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3857.

The product of its (nonzero) digits is 153600, while the sum is 41.

The square root of 45388805 is about 6737.1214179351. The cubic root of 45388805 is about 356.7107926695.

The spelling of 45388805 in words is "forty-five million, three hundred eighty-eight thousand, eight hundred five".

Divisors: 1 5 7 11 31 35 55 77 155 217 341 385 1085 1705 2387 3803 11935 19015 26621 41833 117893 133105 209165 292831 589465 825251 1296823 1464155 4126255 6484115 9077761 45388805