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102323161 = 255140111
BaseRepresentation
bin1100001100101…
…01001111011001
321010112112222201
412012111033121
5202143320121
614053050201
72351506153
oct606251731
9233475881
10102323161
11528389a6
122a326961
1318278065
14d837ad3
158eb2e91
hex61953d9

102323161 has 4 divisors (see below), whose sum is σ = 102365824. Its totient is φ = 102280500.

The previous prime is 102323149. The next prime is 102323173. The reversal of 102323161 is 161323201.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (102323149) and next prime (102323173).

It is a cyclic number.

It is not a de Polignac number, because 102323161 - 215 = 102290393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102323131) 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, 17505 + ... + 22606.

It is an arithmetic number, because the mean of its divisors is an integer number (25591456).

Almost surely, 2102323161 is an apocalyptic number.

It is an amenable number.

102323161 is a deficient number, since it is larger than the sum of its proper divisors (42663).

102323161 is an equidigital number, since it uses as much as digits as its factorization.

102323161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42662.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 102323161 is about 10115.4911398310. The cubic root of 102323161 is about 467.7257887283.

Adding to 102323161 its reverse (161323201), we get a palindrome (263646362).

The spelling of 102323161 in words is "one hundred two million, three hundred twenty-three thousand, one hundred sixty-one".

Divisors: 1 2551 40111 102323161