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105731384 = 23111201493
BaseRepresentation
bin1100100110101…
…01010100111000
321100221201012012
412103111110320
5204031401014
614254105052
72422462523
oct623252470
9240851165
10105731384
1154756610
122b4ab188
1318b9c465
1410083bba
159437c3e
hex64d5538

105731384 has 16 divisors (see below), whose sum is σ = 216268920. Its totient is φ = 48059680.

The previous prime is 105731369. The next prime is 105731393. The reversal of 105731384 is 483137501.

It is a super-2 number, since 2×1057313842 = 22358251125110912, 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 105731384.

It is a congruent number.

It is an unprimeable number.

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, 600659 + ... + 600834.

Almost surely, 2105731384 is an apocalyptic number.

It is an amenable number.

105731384 is an abundant number, since it is smaller than the sum of its proper divisors (110537536).

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

105731384 is a wasteful number, since it uses less digits than its factorization.

105731384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1201510 (or 1201506 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 105731384 is about 10282.5767198694. The cubic root of 105731384 is about 472.8622441655.

Adding to 105731384 its reverse (483137501), we get a palindrome (588868885).

The spelling of 105731384 in words is "one hundred five million, seven hundred thirty-one thousand, three hundred eighty-four".

Divisors: 1 2 4 8 11 22 44 88 1201493 2402986 4805972 9611944 13216423 26432846 52865692 105731384