Search a number
-
+
105423252 = 223112692969
BaseRepresentation
bin1100100100010…
…10000110010100
321100101001111220
412102022012110
5203442021002
614243330340
72420040264
oct622120624
9240331456
10105423252
1154566060
122b3809b0
1318ac212c
14100037a4
1593c67bc
hex648a194

105423252 has 48 divisors (see below), whose sum is σ = 269438400. Its totient is φ = 31816960.

The previous prime is 105423247. The next prime is 105423257. The reversal of 105423252 is 252324501.

It is an interprime number because it is at equal distance from previous prime (105423247) and next prime (105423257).

It is a super-2 number, since 2×1054232522 = 22228124124511008, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105423257) 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, 34024 + ... + 36992.

It is an arithmetic number, because the mean of its divisors is an integer number (5613300).

Almost surely, 2105423252 is an apocalyptic number.

105423252 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 105423252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (134719200).

105423252 is an abundant number, since it is smaller than the sum of its proper divisors (164015148).

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

105423252 is a wasteful number, since it uses less digits than its factorization.

105423252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3256 (or 3254 counting only the distinct ones).

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

The square root of 105423252 is about 10267.5825781924. The cubic root of 105423252 is about 472.4024445161.

Adding to 105423252 its reverse (252324501), we get a palindrome (357747753).

The spelling of 105423252 in words is "one hundred five million, four hundred twenty-three thousand, two hundred fifty-two".

Divisors: 1 2 3 4 6 11 12 22 33 44 66 132 269 538 807 1076 1614 2959 2969 3228 5918 5938 8877 8907 11836 11876 17754 17814 32659 35508 35628 65318 97977 130636 195954 391908 798661 1597322 2395983 3194644 4791966 8785271 9583932 17570542 26355813 35141084 52711626 105423252