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102947682 = 23171009291
BaseRepresentation
bin1100010001011…
…01101101100010
321011201021200010
412020231231202
5202323311212
614114305350
72360020005
oct610555542
9234637603
10102947682
1153125132
122a588256
13184363b6
14d95b53c
15908803c
hex622db62

102947682 has 16 divisors (see below), whose sum is σ = 218007072. Its totient is φ = 32297280.

The previous prime is 102947659. The next prime is 102947731. The reversal of 102947682 is 286749201.

It is a self number, because there is not a number n which added to its sum of digits gives 102947682.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 504544 + ... + 504747.

It is an arithmetic number, because the mean of its divisors is an integer number (13625442).

Almost surely, 2102947682 is an apocalyptic number.

102947682 is an abundant number, since it is smaller than the sum of its proper divisors (115059390).

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

102947682 is a wasteful number, since it uses less digits than its factorization.

102947682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1009313.

The product of its (nonzero) digits is 48384, while the sum is 39.

The square root of 102947682 is about 10146.3137148425. The cubic root of 102947682 is about 468.6754346104.

The spelling of 102947682 in words is "one hundred two million, nine hundred forty-seven thousand, six hundred eighty-two".

Divisors: 1 2 3 6 17 34 51 102 1009291 2018582 3027873 6055746 17157947 34315894 51473841 102947682