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102618 = 2325701
BaseRepresentation
bin11001000011011010
312012202200
4121003122
511240433
62111030
7605115
oct310332
9165680
10102618
117010a
124b476
1337929
142957c
1520613
hex190da

102618 has 12 divisors (see below), whose sum is σ = 222378. Its totient is φ = 34200.

The previous prime is 102611. The next prime is 102643. The reversal of 102618 is 816201.

It can be written as a sum of positive squares in only one way, i.e., 71289 + 31329 = 267^2 + 177^2 .

It is a hoax number, since the sum of its digits (18) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 5701 = 102618 / (1 + 0 + 2 + 6 + 1 + 8).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 102618.

It is not an unprimeable number, because it can be changed into a prime (102611) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2833 + ... + 2868.

2102618 is an apocalyptic number.

102618 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

102618 is an abundant number, since it is smaller than the sum of its proper divisors (119760).

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

102618 is a wasteful number, since it uses less digits than its factorization.

102618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5709 (or 5706 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

The square root of 102618 is about 320.3404439030. The cubic root of 102618 is about 46.8174600642.

Adding to 102618 its reverse (816201), we get a palindrome (918819).

It can be divided in two parts, 102 and 618, that multiplied together give a palindrome (63036).

The spelling of 102618 in words is "one hundred two thousand, six hundred eighteen".

Divisors: 1 2 3 6 9 18 5701 11402 17103 34206 51309 102618