Search a number
-
+
45016837 = 73616669
BaseRepresentation
bin1010101110111…
…0011100000101
310010201002111021
42223232130011
543011014322
64244511141
71054431265
oct253563405
9103632437
1045016837
11234578a8
12130ab4b1
1394321a8
145d9b7a5
153e434c7
hex2aee705

45016837 has 4 divisors (see below), whose sum is σ = 45633580. Its totient is φ = 44400096.

The previous prime is 45016817. The next prime is 45016843. The reversal of 45016837 is 73861054.

45016837 = 7492 + 7502 + ... + 8212.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 73861054 = 236930527.

It can be written as a sum of positive squares in 2 ways, for example, as 13645636 + 31371201 = 3694^2 + 5601^2 .

It is a cyclic number.

It is not a de Polignac number, because 45016837 - 211 = 45014789 is a prime.

It is a super-2 number, since 2×450168372 = 4053031226969138, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45016817) 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, 308262 + ... + 308407.

It is an arithmetic number, because the mean of its divisors is an integer number (11408395).

Almost surely, 245016837 is an apocalyptic number.

It is an amenable number.

45016837 is a deficient number, since it is larger than the sum of its proper divisors (616743).

45016837 is an equidigital number, since it uses as much as digits as its factorization.

45016837 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 616742.

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 45016837 is about 6709.4587710187. The cubic root of 45016837 is about 355.7336859639.

The spelling of 45016837 in words is "forty-five million, sixteen thousand, eight hundred thirty-seven".

Divisors: 1 73 616669 45016837