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10938405 = 355313759
BaseRepresentation
bin101001101110…
…100000100101
3202120201200010
4221232200211
510300012110
61030240433
7161655252
oct51564045
922521603
1010938405
1161a1205
1237b6119
13235ca3a
14164a429
15e61020
hexa6e825

10938405 has 16 divisors (see below), whose sum is σ = 17832960. Its totient is φ = 5723328.

The previous prime is 10938397. The next prime is 10938407. The reversal of 10938405 is 50483901.

It is not a de Polignac number, because 10938405 - 23 = 10938397 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10938407) 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, 6085 + ... + 7674.

It is an arithmetic number, because the mean of its divisors is an integer number (1114560).

Almost surely, 210938405 is an apocalyptic number.

10938405 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10938405 is a deficient number, since it is larger than the sum of its proper divisors (6894555).

10938405 is a wasteful number, since it uses less digits than its factorization.

10938405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13820.

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 10938405 is about 3307.3259591398. The cubic root of 10938405 is about 221.9821225763.

The spelling of 10938405 in words is "ten million, nine hundred thirty-eight thousand, four hundred five".

Divisors: 1 3 5 15 53 159 265 795 13759 41277 68795 206385 729227 2187681 3646135 10938405