Search a number
-
+
40508741 = 7213193347
BaseRepresentation
bin1001101010000…
…1110101000101
32211020001112202
42122201311011
540332234431
64004124245
71001214200
oct232416505
984201482
1040508741
11209588a9
1211696685
138514290
145546937
1538528cb
hex26a1d45

40508741 has 24 divisors (see below), whose sum is σ = 53434080. Its totient is φ = 30354912.

The previous prime is 40508719. The next prime is 40508753. The reversal of 40508741 is 14780504.

It is a de Polignac number, because none of the positive numbers 2k-40508741 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40508701) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10430 + ... + 13776.

It is an arithmetic number, because the mean of its divisors is an integer number (2226420).

Almost surely, 240508741 is an apocalyptic number.

It is an amenable number.

40508741 is a deficient number, since it is larger than the sum of its proper divisors (12925339).

40508741 is a wasteful number, since it uses less digits than its factorization.

40508741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3393 (or 3386 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 29.

The square root of 40508741 is about 6364.6477514471. The cubic root of 40508741 is about 343.4389770313.

The spelling of 40508741 in words is "forty million, five hundred eight thousand, seven hundred forty-one".

Divisors: 1 7 13 19 49 91 133 247 637 931 1729 3347 12103 23429 43511 63593 164003 304577 445151 826709 2132039 3116057 5786963 40508741