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105825272 = 23717891249
BaseRepresentation
bin1100100111011…
…00001111111000
321101010110222112
412103230033320
5204042402042
614300111452
72423333330
oct623541770
9241113875
10105825272
1154810103
122b535588
1318c03107
14100aa0c0
159455982
hex64ec3f8

105825272 has 64 divisors (see below), whose sum is σ = 243000000. Its totient is φ = 42172416.

The previous prime is 105825271. The next prime is 105825281. The reversal of 105825272 is 272528501.

It is a happy number.

It is a super-2 number, since 2×1058252722 = 22397976387747968, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105825271) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 84104 + ... + 85352.

It is an arithmetic number, because the mean of its divisors is an integer number (3796875).

Almost surely, 2105825272 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 105825272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (121500000).

105825272 is an abundant number, since it is smaller than the sum of its proper divisors (137174728).

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

105825272 is a wasteful number, since it uses less digits than its factorization.

105825272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1368 (or 1364 counting only the distinct ones).

The product of its (nonzero) digits is 11200, while the sum is 32.

The square root of 105825272 is about 10287.1410994503. The cubic root of 105825272 is about 473.0021677913.

The spelling of 105825272 in words is "one hundred five million, eight hundred twenty-five thousand, two hundred seventy-two".

Divisors: 1 2 4 7 8 14 17 28 34 56 68 89 119 136 178 238 356 476 623 712 952 1246 1249 1513 2492 2498 3026 4984 4996 6052 8743 9992 10591 12104 17486 21182 21233 34972 42364 42466 69944 84728 84932 111161 148631 169864 222322 297262 444644 594524 778127 889288 1189048 1556254 1889737 3112508 3779474 6225016 7558948 13228159 15117896 26456318 52912636 105825272