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10406031 = 33468677
BaseRepresentation
bin100111101100…
…100010001111
3201120200101120
4213230202033
510130443111
61011012023
7154310166
oct47544217
921520346
1010406031
115968229
12359a013
13220461c
14154c3dd
15da8406
hex9ec88f

10406031 has 4 divisors (see below), whose sum is σ = 13874712. Its totient is φ = 6937352.

The previous prime is 10406029. The next prime is 10406047. The reversal of 10406031 is 13060401.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13060401 = 34353467.

It is a cyclic number.

It is not a de Polignac number, because 10406031 - 21 = 10406029 is a prime.

It is a super-2 number, since 2×104060312 = 216570962345922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10406031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10406021) 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 3 ways as a sum of consecutive naturals, for example, 1734336 + ... + 1734341.

It is an arithmetic number, because the mean of its divisors is an integer number (3468678).

Almost surely, 210406031 is an apocalyptic number.

10406031 is a deficient number, since it is larger than the sum of its proper divisors (3468681).

10406031 is an equidigital number, since it uses as much as digits as its factorization.

10406031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3468680.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 10406031 is about 3225.8380306519. The cubic root of 10406031 is about 218.3207619875.

Adding to 10406031 its reverse (13060401), we get a palindrome (23466432).

The spelling of 10406031 in words is "ten million, four hundred six thousand, thirty-one".

Divisors: 1 3 3468677 10406031