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10311894 = 2331747239
BaseRepresentation
bin100111010101…
…100011010110
3201101220021000
4213111203112
510114440034
61005004130
7153435555
oct47254326
921356230
1010311894
11590352a
123553646
1321a0818
141525d9c
15d8a599
hex9d58d6

10311894 has 64 divisors (see below), whose sum is σ = 24883200. Its totient is φ = 3153024.

The previous prime is 10311893. The next prime is 10311901. The reversal of 10311894 is 49811301.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10311893) 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 31 ways as a sum of consecutive naturals, for example, 43027 + ... + 43265.

It is an arithmetic number, because the mean of its divisors is an integer number (388800).

Almost surely, 210311894 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10311894, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12441600).

10311894 is an abundant number, since it is smaller than the sum of its proper divisors (14571306).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10311894 is a wasteful number, since it uses less digits than its factorization.

10311894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314 (or 308 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 27.

The square root of 10311894 is about 3211.2137892081. The cubic root of 10311894 is about 217.6604286062.

The spelling of 10311894 in words is "ten million, three hundred eleven thousand, eight hundred ninety-four".

Divisors: 1 2 3 6 9 17 18 27 34 47 51 54 94 102 141 153 239 282 306 423 459 478 717 799 846 918 1269 1434 1598 2151 2397 2538 4063 4302 4794 6453 7191 8126 11233 12189 12906 14382 21573 22466 24378 33699 36567 43146 67398 73134 101097 109701 190961 202194 219402 303291 381922 572883 606582 1145766 1718649 3437298 5155947 10311894