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105200124 = 22353251659
BaseRepresentation
bin1100100010100…
…11100111111100
321022221201102220
412101103213330
5203412400444
614234445340
72415120621
oct621234774
9238851386
10105200124
1154423457
122b293850
1318a446c3
14dd86348
159380619
hex64539fc

105200124 has 48 divisors (see below), whose sum is σ = 251475840. Its totient is φ = 34216000.

The previous prime is 105200119. The next prime is 105200129. The reversal of 105200124 is 421002501.

It is an interprime number because it is at equal distance from previous prime (105200119) and next prime (105200129).

It is a super-2 number, since 2×1052001242 = 22134132179230752, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105200129) 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, 159307 + ... + 159965.

It is an arithmetic number, because the mean of its divisors is an integer number (5239080).

Almost surely, 2105200124 is an apocalyptic number.

It is an amenable number.

105200124 is an abundant number, since it is smaller than the sum of its proper divisors (146275716).

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

105200124 is a wasteful number, since it uses less digits than its factorization.

105200124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 970 (or 968 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 105200124 is about 10256.7111687909. The cubic root of 105200124 is about 472.0689296536.

Adding to 105200124 its reverse (421002501), we get a palindrome (526202625).

The spelling of 105200124 in words is "one hundred five million, two hundred thousand, one hundred twenty-four".

Divisors: 1 2 3 4 6 12 53 106 159 212 251 318 502 636 659 753 1004 1318 1506 1977 2636 3012 3954 7908 13303 26606 34927 39909 53212 69854 79818 104781 139708 159636 165409 209562 330818 419124 496227 661636 992454 1984908 8766677 17533354 26300031 35066708 52600062 105200124