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105242406 = 2319923179
BaseRepresentation
bin1100100010111…
…01111100100110
321100000212102220
412101131330212
5203420224111
614235413210
72415355113
oct621357446
9240025386
10105242406
11544521a5
122b2b4206
1318a5aa19
14dd9790a
15938ce06
hex645df26

105242406 has 16 divisors (see below), whose sum is σ = 221563200. Its totient is φ = 33234408.

The previous prime is 105242383. The next prime is 105242477. The reversal of 105242406 is 604242501.

It is a super-2 number, since 2×1052424062 = 22151928041337672, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 461476 + ... + 461703.

It is an arithmetic number, because the mean of its divisors is an integer number (13847700).

Almost surely, 2105242406 is an apocalyptic number.

105242406 is an abundant number, since it is smaller than the sum of its proper divisors (116320794).

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

105242406 is a wasteful number, since it uses less digits than its factorization.

105242406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 923203.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 105242406 is about 10258.7721487515. The cubic root of 105242406 is about 472.1321657799.

Adding to 105242406 its reverse (604242501), we get a palindrome (709484907).

The spelling of 105242406 in words is "one hundred five million, two hundred forty-two thousand, four hundred six".

Divisors: 1 2 3 6 19 38 57 114 923179 1846358 2769537 5539074 17540401 35080802 52621203 105242406