Search a number
-
+
40603093 = 52177933
BaseRepresentation
bin1001101011100…
…0110111010101
32211101211222021
42122320313111
540343244333
64010133141
71002056236
oct232706725
984354867
1040603093
1120a12783
12117211b1
1385481cb
14556d08d
15387082d
hex26b8dd5

40603093 has 4 divisors (see below), whose sum is σ = 40681548. Its totient is φ = 40524640.

The previous prime is 40603091. The next prime is 40603099. The reversal of 40603093 is 39030604.

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 14152644 + 26450449 = 3762^2 + 5143^2 .

It is a cyclic number.

It is not a de Polignac number, because 40603093 - 21 = 40603091 is a prime.

It is a super-2 number, since 2×406030932 = 3297222322333298, 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 (40603091) 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, 38446 + ... + 39487.

It is an arithmetic number, because the mean of its divisors is an integer number (10170387).

Almost surely, 240603093 is an apocalyptic number.

It is an amenable number.

40603093 is a deficient number, since it is larger than the sum of its proper divisors (78455).

40603093 is an equidigital number, since it uses as much as digits as its factorization.

40603093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78454.

The product of its (nonzero) digits is 1944, while the sum is 25.

The square root of 40603093 is about 6372.0556337810. The cubic root of 40603093 is about 343.7054135890.

Adding to 40603093 its reverse (39030604), we get a palindrome (79633697).

The spelling of 40603093 in words is "forty million, six hundred three thousand, ninety-three".

Divisors: 1 521 77933 40603093