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40244061 = 3111393809
BaseRepresentation
bin1001100110000…
…1001101011101
32210201121110210
42121201031131
540300302221
63554323033
7666032424
oct231411535
983647423
1040244061
1120797a60
1211589479
138450970
1454b82bb
1537ee276
hex266135d

40244061 has 16 divisors (see below), whose sum is σ = 63040320. Its totient is φ = 22513920.

The previous prime is 40244059. The next prime is 40244081. The reversal of 40244061 is 16044204.

40244061 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 40244061 - 21 = 40244059 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40244011) 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 15 ways as a sum of consecutive naturals, for example, 46476 + ... + 47333.

It is an arithmetic number, because the mean of its divisors is an integer number (3940020).

Almost surely, 240244061 is an apocalyptic number.

It is an amenable number.

40244061 is a deficient number, since it is larger than the sum of its proper divisors (22796259).

40244061 is a wasteful number, since it uses less digits than its factorization.

40244061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93836.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 40244061 is about 6343.8206941874. The cubic root of 40244061 is about 342.6893435100.

Adding to 40244061 its reverse (16044204), we get a palindrome (56288265).

The spelling of 40244061 in words is "forty million, two hundred forty-four thousand, sixty-one".

Divisors: 1 3 11 13 33 39 143 429 93809 281427 1031899 1219517 3095697 3658551 13414687 40244061