Search a number
-
+
45361297 = 371225981
BaseRepresentation
bin1010110100001…
…0100010010001
310011100121000001
42231002202101
543103030142
64300130001
71060364452
oct255024221
9104317001
1045361297
1123672683
1213236901
139522c07
14604b129
153eb05b7
hex2b42891

45361297 has 4 divisors (see below), whose sum is σ = 46587316. Its totient is φ = 44135280.

The previous prime is 45361289. The next prime is 45361319. The reversal of 45361297 is 79216354.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 34857216 + 10504081 = 5904^2 + 3241^2 .

It is a cyclic number.

It is not a de Polignac number, because 45361297 - 23 = 45361289 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37), and also a Moran number because the ratio is a prime number: 1225981 = 45361297 / (4 + 5 + 3 + 6 + 1 + 2 + 9 + 7).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45361237) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 612954 + ... + 613027.

It is an arithmetic number, because the mean of its divisors is an integer number (11646829).

Almost surely, 245361297 is an apocalyptic number.

45361297 is the 3889-th hex number.

It is an amenable number.

45361297 is a deficient number, since it is larger than the sum of its proper divisors (1226019).

45361297 is a wasteful number, since it uses less digits than its factorization.

45361297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1226018.

The product of its digits is 45360, while the sum is 37.

The square root of 45361297 is about 6735.0795837911. The cubic root of 45361297 is about 356.6387162810.

The spelling of 45361297 in words is "forty-five million, three hundred sixty-one thousand, two hundred ninety-seven".

Divisors: 1 37 1225981 45361297