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102628959 = 353036451
BaseRepresentation
bin1100001110111…
…11111001011111
321011010002110120
412013133321133
5202233111314
614103410023
72354221536
oct607377137
9234102416
10102628959
1152a27724
122a453913
13183542c4
14d8b731d
1590238a9
hex61dfe5f

102628959 has 8 divisors (see below), whose sum is σ = 136885632. Its totient is φ = 68395800.

The previous prime is 102628957. The next prime is 102628993. The reversal of 102628959 is 959826201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 102628959 - 21 = 102628957 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 102628959.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102628957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12684 + ... + 19134.

It is an arithmetic number, because the mean of its divisors is an integer number (17110704).

Almost surely, 2102628959 is an apocalyptic number.

102628959 is a deficient number, since it is larger than the sum of its proper divisors (34256673).

102628959 is an equidigital number, since it uses as much as digits as its factorization.

102628959 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11757.

The product of its (nonzero) digits is 77760, while the sum is 42.

The square root of 102628959 is about 10130.5951947553. The cubic root of 102628959 is about 468.1912661487.

The spelling of 102628959 in words is "one hundred two million, six hundred twenty-eight thousand, nine hundred fifty-nine".

Divisors: 1 3 5303 6451 15909 19353 34209653 102628959