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102727668 = 223171034889
BaseRepresentation
bin1100001111101…
…11111111110100
321011022002212110
412013313333310
5202244241133
614105451020
72355112401
oct607677764
9234262773
10102727668
1152a948aa
122a4a0a70
131838a204
14d9012a8
159042c63
hex61f7ff4

102727668 has 48 divisors (see below), whose sum is σ = 256314240. Its totient is φ = 31908864.

The previous prime is 102727663. The next prime is 102727679. The reversal of 102727668 is 866727201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102727663) 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 15 ways as a sum of consecutive naturals, for example, 18568 + ... + 23456.

It is an arithmetic number, because the mean of its divisors is an integer number (5339880).

Almost surely, 2102727668 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 102727668, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (128157120).

102727668 is an abundant number, since it is smaller than the sum of its proper divisors (153586572).

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

102727668 is a wasteful number, since it uses less digits than its factorization.

102727668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5016 (or 5014 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 39.

The square root of 102727668 is about 10135.4658501719. The cubic root of 102727668 is about 468.3413208816.

The spelling of 102727668 in words is "one hundred two million, seven hundred twenty-seven thousand, six hundred sixty-eight".

Divisors: 1 2 3 4 6 12 17 34 51 68 102 103 204 206 309 412 618 1236 1751 3502 4889 5253 7004 9778 10506 14667 19556 21012 29334 58668 83113 166226 249339 332452 498678 503567 997356 1007134 1510701 2014268 3021402 6042804 8560639 17121278 25681917 34242556 51363834 102727668