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407440011 = 31142129327
BaseRepresentation
bin11000010010010…
…000101010001011
31001101200002121210
4120102100222023
51313301040021
6104232504203
713045116516
oct3022205213
91041602553
10407440011
11199a97790
12b454b063
1366547b84
143c17dd7d
1525b82e76
hex18490a8b

407440011 has 16 divisors (see below), whose sum is σ = 594067968. Its totient is φ = 246338400.

The previous prime is 407439983. The next prime is 407440063. The reversal of 407440011 is 110044704.

It is a de Polignac number, because none of the positive numbers 2k-407440011 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 407440011.

It is not an unprimeable number, because it can be changed into a prime (407440811) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 771 + ... + 28556.

It is an arithmetic number, because the mean of its divisors is an integer number (37129248).

Almost surely, 2407440011 is an apocalyptic number.

407440011 is a deficient number, since it is larger than the sum of its proper divisors (186627957).

407440011 is a wasteful number, since it uses less digits than its factorization.

407440011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29762.

The product of its (nonzero) digits is 448, while the sum is 21.

The square root of 407440011 is about 20185.1433237418. The cubic root of 407440011 is about 741.3464717128.

Adding to 407440011 its reverse (110044704), we get a palindrome (517484715).

The spelling of 407440011 in words is "four hundred seven million, four hundred forty thousand, eleven".

Divisors: 1 3 11 33 421 1263 4631 13893 29327 87981 322597 967791 12346667 37040001 135813337 407440011