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40545301 = 213718973
BaseRepresentation
bin1001101010101…
…0110000010101
32211021220200211
42122222300111
540334422201
64005005421
71001425606
oct232526025
984256624
1040545301
1120983315
12116b3871
138527b04
145555dad
15385d651
hex26aac15

40545301 has 4 divisors (see below), whose sum is σ = 40566412. Its totient is φ = 40524192.

The previous prime is 40545299. The next prime is 40545311. The reversal of 40545301 is 10354504.

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 6916900 + 33628401 = 2630^2 + 5799^2 .

It is a cyclic number.

It is not a de Polignac number, because 40545301 - 21 = 40545299 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 (40545311) 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, 7350 + ... + 11623.

It is an arithmetic number, because the mean of its divisors is an integer number (10141603).

Almost surely, 240545301 is an apocalyptic number.

It is an amenable number.

40545301 is a deficient number, since it is larger than the sum of its proper divisors (21111).

40545301 is a wasteful number, since it uses less digits than its factorization.

40545301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21110.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 40545301 is about 6367.5192186597. The cubic root of 40545301 is about 343.5422662901.

Adding to 40545301 its reverse (10354504), we get a palindrome (50899805).

The spelling of 40545301 in words is "forty million, five hundred forty-five thousand, three hundred one".

Divisors: 1 2137 18973 40545301