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102323120 = 2451279039
BaseRepresentation
bin1100001100101…
…01001110110000
321010112112221012
412012111032300
5202143314440
614053050052
72351506064
oct606251660
9233475835
10102323120
1152838969
122a326928
1318278033
14d837aa4
158eb2e65
hex61953b0

102323120 has 20 divisors (see below), whose sum is σ = 237901440. Its totient is φ = 40929216.

The previous prime is 102323077. The next prime is 102323131. The reversal of 102323120 is 21323201.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (20).

It is a junction number, because it is equal to n+sod(n) for n = 102323095 and 102323104.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 639440 + ... + 639599.

It is an arithmetic number, because the mean of its divisors is an integer number (11895072).

Almost surely, 2102323120 is an apocalyptic number.

102323120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102323120 is an abundant number, since it is smaller than the sum of its proper divisors (135578320).

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

102323120 is a wasteful number, since it uses less digits than its factorization.

102323120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1279052 (or 1279046 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 102323120 is about 10115.4891132362. The cubic root of 102323120 is about 467.7257262571.

Adding to 102323120 its reverse (21323201), we get a palindrome (123646321).

The spelling of 102323120 in words is "one hundred two million, three hundred twenty-three thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 40 80 1279039 2558078 5116156 6395195 10232312 12790390 20464624 25580780 51161560 102323120