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40275101 = 51137877
BaseRepresentation
bin1001100110100…
…0110010011101
32210210012001102
42121220302131
540302300401
63555122445
7666222056
oct231506235
983705042
1040275101
1120809309
12115a3425
138461b29
1454c572d
15380856b
hex2668c9d

40275101 has 4 divisors (see below), whose sum is σ = 40288092. Its totient is φ = 40262112.

The previous prime is 40275097. The next prime is 40275127. The reversal of 40275101 is 10157204.

40275101 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 2464900 + 37810201 = 1570^2 + 6149^2 .

It is a cyclic number.

It is not a de Polignac number, because 40275101 - 22 = 40275097 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40275401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1175 + ... + 9051.

It is an arithmetic number, because the mean of its divisors is an integer number (10072023).

Almost surely, 240275101 is an apocalyptic number.

It is an amenable number.

40275101 is a deficient number, since it is larger than the sum of its proper divisors (12991).

40275101 is an equidigital number, since it uses as much as digits as its factorization.

40275101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12990.

The product of its (nonzero) digits is 280, while the sum is 20.

The square root of 40275101 is about 6346.2666978311. The cubic root of 40275101 is about 342.7774256050. Note that the first 3 decimals are identical.

The spelling of 40275101 in words is "forty million, two hundred seventy-five thousand, one hundred one".

Divisors: 1 5113 7877 40275101