Search a number
-
+
40908130 = 254090813
BaseRepresentation
bin1001110000001…
…1010101100010
32211222100101221
42130003111202
540433030010
64020445254
71004466454
oct234032542
984870357
1040908130
112110097a
121184982a
138623cc3
14560c2d4
1538d0dda
hex2703562

40908130 has 8 divisors (see below), whose sum is σ = 73634652. Its totient is φ = 16363248.

The previous prime is 40908113. The next prime is 40908151. The reversal of 40908130 is 3180904.

It can be written as a sum of positive squares in 2 ways, for example, as 40717161 + 190969 = 6381^2 + 437^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 40908095 and 40908104.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2045397 + ... + 2045416.

Almost surely, 240908130 is an apocalyptic number.

40908130 is a deficient number, since it is larger than the sum of its proper divisors (32726522).

40908130 is a wasteful number, since it uses less digits than its factorization.

40908130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4090820.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 40908130 is about 6395.9463725081. The cubic root of 40908130 is about 344.5639804407.

The spelling of 40908130 in words is "forty million, nine hundred eight thousand, one hundred thirty".

Divisors: 1 2 5 10 4090813 8181626 20454065 40908130