Search a number
-
+
40103807 is a prime number
BaseRepresentation
bin1001100011111…
…0111101111111
32210110111002012
42120332331333
540231310212
63551321435
7664606502
oct230767577
983414065
1040103807
1120701647
121152027b
138401b83
14547d139
1537c2922
hex263ef7f

40103807 has 2 divisors, whose sum is σ = 40103808. Its totient is φ = 40103806.

The previous prime is 40103803. The next prime is 40103809. The reversal of 40103807 is 70830104.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40103807 - 22 = 40103803 is a prime.

Together with 40103809, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40103803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20051903 + 20051904.

It is an arithmetic number, because the mean of its divisors is an integer number (20051904).

Almost surely, 240103807 is an apocalyptic number.

40103807 is a deficient number, since it is larger than the sum of its proper divisors (1).

40103807 is an equidigital number, since it uses as much as digits as its factorization.

40103807 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 40103807 is about 6332.7566667290. The cubic root of 40103807 is about 342.2907795683.

The spelling of 40103807 in words is "forty million, one hundred three thousand, eight hundred seven".