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102404960 = 255791433
BaseRepresentation
bin1100001101010…
…01001101100000
321010200201012022
412012221031200
5202203424320
614054521012
72352266510
oct606511540
9233621168
10102404960
11528943a9
122a366168
13182a6368
14d859840
158ecc325
hex61a9360

102404960 has 48 divisors (see below), whose sum is σ = 276496416. Its totient is φ = 35109888.

The previous prime is 102404903. The next prime is 102404971. The reversal of 102404960 is 69404201.

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 7 ways as a sum of consecutive naturals, for example, 44597 + ... + 46836.

It is an arithmetic number, because the mean of its divisors is an integer number (5760342).

Almost surely, 2102404960 is an apocalyptic number.

102404960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102404960 is an abundant number, since it is smaller than the sum of its proper divisors (174091456).

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

102404960 is an equidigital number, since it uses as much as digits as its factorization.

102404960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91455 (or 91447 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 102404960 is about 10119.5335860898. The cubic root of 102404960 is about 467.8503917046.

The spelling of 102404960 in words is "one hundred two million, four hundred four thousand, nine hundred sixty".

Divisors: 1 2 4 5 7 8 10 14 16 20 28 32 35 40 56 70 80 112 140 160 224 280 560 1120 91433 182866 365732 457165 640031 731464 914330 1280062 1462928 1828660 2560124 2925856 3200155 3657320 5120248 6400310 7314640 10240496 12800620 14629280 20480992 25601240 51202480 102404960