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102130 = 2571459
BaseRepresentation
bin11000111011110010
312012002121
4120323302
511232010
62104454
7603520
oct307362
9165077
10102130
116a806
124b12a
1337642
1429310
15203da
hex18ef2

102130 has 16 divisors (see below), whose sum is σ = 210240. Its totient is φ = 34992.

The previous prime is 102121. The next prime is 102139. The reversal of 102130 is 31201.

Adding to 102130 its reverse (31201), we get a palindrome (133331).

It can be divided in two parts, 102 and 130, that added together give a palindrome (232).

It is an interprime number because it is at equal distance from previous prime (102121) and next prime (102139).

It is a Harshad number since it is a multiple of its sum of digits (7).

It is not an unprimeable number, because it can be changed into a prime (102139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 660 + ... + 799.

It is an arithmetic number, because the mean of its divisors is an integer number (13140).

2102130 is an apocalyptic number.

102130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102130 is an abundant number, since it is smaller than the sum of its proper divisors (108110).

It is a weird number, because it is abundant, but not a pseudoperfect number.

102130 is a wasteful number, since it uses less digits than its factorization.

102130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1473.

The product of its (nonzero) digits is 6, while the sum is 7.

The square root of 102130 is about 319.5778465413. The cubic root of 102130 is about 46.7431286192.

The spelling of 102130 in words is "one hundred two thousand, one hundred thirty".

Divisors: 1 2 5 7 10 14 35 70 1459 2918 7295 10213 14590 20426 51065 102130