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40485854 = 220242927
BaseRepresentation
bin1001101001110…
…0001111011110
32211011220011002
42122130033132
540331021404
64003430302
71001060363
oct232341736
984156132
1040485854
1120942692
1211685392
138506a36
14553c46a
15384ac1e
hex269c3de

40485854 has 4 divisors (see below), whose sum is σ = 60728784. Its totient is φ = 20242926.

The previous prime is 40485853. The next prime is 40485869. The reversal of 40485854 is 45858404.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40485853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10121462 + ... + 10121465.

It is an arithmetic number, because the mean of its divisors is an integer number (15182196).

Almost surely, 240485854 is an apocalyptic number.

40485854 is a deficient number, since it is larger than the sum of its proper divisors (20242930).

40485854 is a wasteful number, since it uses less digits than its factorization.

40485854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20242929.

The product of its (nonzero) digits is 102400, while the sum is 38.

The square root of 40485854 is about 6362.8495188870. The cubic root of 40485854 is about 343.3742850787.

The spelling of 40485854 in words is "forty million, four hundred eighty-five thousand, eight hundred fifty-four".

Divisors: 1 2 20242927 40485854