Search a number
-
+
182813107 = 315897197
BaseRepresentation
bin10101110010110…
…00000110110011
3110201222212102211
422321120012303
5333300004412
630050152551
74346612551
oct1271300663
9421885384
10182813107
1194214214
1251282757
132bb4a449
141a3cabd1
15110b1ca7
hexae581b3

182813107 has 4 divisors (see below), whose sum is σ = 188710336. Its totient is φ = 176915880.

The previous prime is 182813101. The next prime is 182813119. The reversal of 182813107 is 701318281.

It is a happy number.

182813107 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 182813107 - 27 = 182812979 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31), and also a Moran number because the ratio is a prime number: 5897197 = 182813107 / (1 + 8 + 2 + 8 + 1 + 3 + 1 + 0 + 7).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (182813101) 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, 2948568 + ... + 2948629.

It is an arithmetic number, because the mean of its divisors is an integer number (47177584).

Almost surely, 2182813107 is an apocalyptic number.

182813107 is a deficient number, since it is larger than the sum of its proper divisors (5897229).

182813107 is an equidigital number, since it uses as much as digits as its factorization.

182813107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5897228.

The product of its (nonzero) digits is 2688, while the sum is 31.

The square root of 182813107 is about 13520.8397298393. The cubic root of 182813107 is about 567.5477983119.

The spelling of 182813107 in words is "one hundred eighty-two million, eight hundred thirteen thousand, one hundred seven".

Divisors: 1 31 5897197 182813107