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40610689 = 76195107
BaseRepresentation
bin1001101011101…
…0101110000001
32211102020101121
42122322232001
540344020224
64010232241
71002120340
oct232725601
984366347
1040610689
1120a18459
1211725681
13854b7c2
145571b57
153872be4
hex26bab81

40610689 has 8 divisors (see below), whose sum is σ = 47173568. Its totient is φ = 34238160.

The previous prime is 40610681. The next prime is 40610707. The reversal of 40610689 is 98601604.

40610689 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 40610689 - 23 = 40610681 is a prime.

It is a super-2 number, since 2×406106892 = 3298456122109442, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40610681) 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 7 ways as a sum of consecutive naturals, for example, 47127 + ... + 47980.

It is an arithmetic number, because the mean of its divisors is an integer number (5896696).

Almost surely, 240610689 is an apocalyptic number.

It is an amenable number.

40610689 is a deficient number, since it is larger than the sum of its proper divisors (6562879).

40610689 is an equidigital number, since it uses as much as digits as its factorization.

40610689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95175.

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 40610689 is about 6372.6516459006. The cubic root of 40610689 is about 343.7268456470.

The spelling of 40610689 in words is "forty million, six hundred ten thousand, six hundred eighty-nine".

Divisors: 1 7 61 427 95107 665749 5801527 40610689