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102982319 = 119362029
BaseRepresentation
bin1100010001101…
…10001010101111
321011210001011222
412020312022233
5202330413234
614115133555
72360222666
oct610661257
9234701158
10102982319
1153149160
122a5a42bb
13184490ab
14d969ddd
15909342e
hex62362af

102982319 has 4 divisors (see below), whose sum is σ = 112344360. Its totient is φ = 93620280.

The previous prime is 102982289. The next prime is 102982331. The reversal of 102982319 is 913289201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 913289201 = 1183026291.

It is a cyclic number.

It is not a de Polignac number, because 102982319 - 216 = 102916783 is a prime.

It is a super-2 number, since 2×1029823192 = 21210716053235522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102982619) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4681004 + ... + 4681025.

It is an arithmetic number, because the mean of its divisors is an integer number (28086090).

Almost surely, 2102982319 is an apocalyptic number.

102982319 is a deficient number, since it is larger than the sum of its proper divisors (9362041).

102982319 is an equidigital number, since it uses as much as digits as its factorization.

102982319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9362040.

The product of its (nonzero) digits is 7776, while the sum is 35.

The square root of 102982319 is about 10148.0204473582. The cubic root of 102982319 is about 468.7279910496.

It can be divided in two parts, 102982 and 319, that added together give a palindrome (103301).

The spelling of 102982319 in words is "one hundred two million, nine hundred eighty-two thousand, three hundred nineteen".

Divisors: 1 11 9362029 102982319