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105404352 = 2631743751
BaseRepresentation
bin1100100100001…
…01011111000000
321100100002120220
412102011133000
5203440414402
614243103040
72416631214
oct622053700
9240302526
10105404352
1154552939
122b371a80
1318ab6651
14ddda944
1593c0dbc
hex64857c0

105404352 has 112 divisors (see below), whose sum is σ = 302556672. Its totient is φ = 32256000.

The previous prime is 105404347. The next prime is 105404353. The reversal of 105404352 is 253404501.

It is a super-2 number, since 2×1054043522 = 22220154841079808, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a nialpdrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105404353) 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, 139977 + ... + 140727.

Almost surely, 2105404352 is an apocalyptic number.

105404352 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 105404352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (151278336).

105404352 is an abundant number, since it is smaller than the sum of its proper divisors (197152320).

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

105404352 is a wasteful number, since it uses less digits than its factorization.

105404352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 826 (or 816 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 105404352 is about 10266.6621645012. The cubic root of 105404352 is about 472.3742124780.

Adding to 105404352 its reverse (253404501), we get a palindrome (358808853).

The spelling of 105404352 in words is "one hundred five million, four hundred four thousand, three hundred fifty-two".

Divisors: 1 2 3 4 6 8 12 16 17 24 32 34 43 48 51 64 68 86 96 102 129 136 172 192 204 258 272 344 408 516 544 688 731 751 816 1032 1088 1376 1462 1502 1632 2064 2193 2253 2752 2924 3004 3264 4128 4386 4506 5848 6008 8256 8772 9012 11696 12016 12767 17544 18024 23392 24032 25534 32293 35088 36048 38301 46784 48064 51068 64586 70176 72096 76602 96879 102136 129172 140352 144192 153204 193758 204272 258344 306408 387516 408544 516688 548981 612816 775032 817088 1033376 1097962 1225632 1550064 1646943 2066752 2195924 2451264 3100128 3293886 4391848 6200256 6587772 8783696 13175544 17567392 26351088 35134784 52702176 105404352