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102118325 = 5239710289
BaseRepresentation
bin1100001011000…
…11001110110101
321010011011000012
412011203032311
5202120241300
614044430005
72346664031
oct605431665
9233134005
10102118325
1152709011
122a248305
1318205a5a
14d7c31c1
158e72435
hex61633b5

102118325 has 12 divisors (see below), whose sum is σ = 126958020. Its totient is φ = 81480960.

The previous prime is 102118301. The next prime is 102118327. The reversal of 102118325 is 523811201.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 2896804 + 99221521 = 1702^2 + 9961^2 .

It is not a de Polignac number, because 102118325 - 28 = 102118069 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 102118325.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102118327) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4781 + ... + 15069.

It is an arithmetic number, because the mean of its divisors is an integer number (10579835).

Almost surely, 2102118325 is an apocalyptic number.

It is an amenable number.

102118325 is a deficient number, since it is larger than the sum of its proper divisors (24839695).

102118325 is a wasteful number, since it uses less digits than its factorization.

102118325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10696 (or 10691 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 23.

The square root of 102118325 is about 10105.3612008676. The cubic root of 102118325 is about 467.4134740301.

Adding to 102118325 its reverse (523811201), we get a palindrome (625929526).

The spelling of 102118325 in words is "one hundred two million, one hundred eighteen thousand, three hundred twenty-five".

Divisors: 1 5 25 397 1985 9925 10289 51445 257225 4084733 20423665 102118325