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102814469 is a prime number
BaseRepresentation
bin1100010000011…
…01001100000101
321011110111221022
412020031030011
5202310030334
614111400525
72355623432
oct610151405
9234414838
10102814469
115304403a
122a523145
13183ba884
14d924b89
15905d82e
hex620d305

102814469 has 2 divisors, whose sum is σ = 102814470. Its totient is φ = 102814468.

The previous prime is 102814447. The next prime is 102814493. The reversal of 102814469 is 964418201.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 78676900 + 24137569 = 8870^2 + 4913^2 .

It is a cyclic number.

It is not a de Polignac number, because 102814469 - 28 = 102814213 is a prime.

It is a super-2 number, since 2×1028144692 = 21141630071503922, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102814409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51407234 + 51407235.

It is an arithmetic number, because the mean of its divisors is an integer number (51407235).

Almost surely, 2102814469 is an apocalyptic number.

It is an amenable number.

102814469 is a deficient number, since it is larger than the sum of its proper divisors (1).

102814469 is an equidigital number, since it uses as much as digits as its factorization.

102814469 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13824, while the sum is 35.

The square root of 102814469 is about 10139.7469889539. The cubic root of 102814469 is about 468.4731939891.

The spelling of 102814469 in words is "one hundred two million, eight hundred fourteen thousand, four hundred sixty-nine".