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10813381 = 234111467
BaseRepresentation
bin101001001111…
…111111000101
3202100101011121
4221033333011
510232012011
61023433541
7160624615
oct51177705
922311147
1010813381
116116287
1237558b1
132317b67
141616a45
15e38e71
hexa4ffc5

10813381 has 8 divisors (see below), whose sum is σ = 11559744. Its totient is φ = 10090080.

The previous prime is 10813379. The next prime is 10813393. The reversal of 10813381 is 18331801.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10813381 - 21 = 10813379 is a prime.

It is a super-2 number, since 2×108133812 = 233858417302322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10813181) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4791 + ... + 6676.

It is an arithmetic number, because the mean of its divisors is an integer number (1444968).

Almost surely, 210813381 is an apocalyptic number.

It is an amenable number.

10813381 is a deficient number, since it is larger than the sum of its proper divisors (746363).

10813381 is a wasteful number, since it uses less digits than its factorization.

10813381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11531.

The product of its (nonzero) digits is 576, while the sum is 25.

The square root of 10813381 is about 3288.3705691421. The cubic root of 10813381 is about 221.1331411787.

The spelling of 10813381 in words is "ten million, eight hundred thirteen thousand, three hundred eighty-one".

Divisors: 1 23 41 943 11467 263741 470147 10813381