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105304400 = 2452416421
BaseRepresentation
bin1100100011011…
…01000101010000
321100011000110222
412101231011100
5203424220100
614241012212
72416033625
oct621550520
9240130428
10105304400
1154494833
122b324068
1318a7ccc6
14ddb234c
1593a1485
hex646d150

105304400 has 60 divisors (see below), whose sum is σ = 259204764. Its totient is φ = 41088000.

The previous prime is 105304399. The next prime is 105304421. The reversal of 105304400 is 4403501.

It can be written as a sum of positive squares in 6 ways, for example, as 27793984 + 77510416 = 5272^2 + 8804^2 .

It is a super-2 number, since 2×1053044002 = 22178033318720000, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 13190 + ... + 19610.

Almost surely, 2105304400 is an apocalyptic number.

105304400 is a gapful number since it is divisible by the number (10) 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 105304400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (129602382).

105304400 is an abundant number, since it is smaller than the sum of its proper divisors (153900364).

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

105304400 is a wasteful number, since it uses less digits than its factorization.

105304400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6480 (or 6469 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 105304400 is about 10261.7932156130. The cubic root of 105304400 is about 472.2248521704.

Adding to 105304400 its reverse (4403501), we get a palindrome (109707901).

The spelling of 105304400 in words is "one hundred five million, three hundred four thousand, four hundred".

Divisors: 1 2 4 5 8 10 16 20 25 40 41 50 80 82 100 164 200 205 328 400 410 656 820 1025 1640 2050 3280 4100 6421 8200 12842 16400 25684 32105 51368 64210 102736 128420 160525 256840 263261 321050 513680 526522 642100 1053044 1284200 1316305 2106088 2568400 2632610 4212176 5265220 6581525 10530440 13163050 21060880 26326100 52652200 105304400