Base | Representation |
---|---|
bin | 1100010000000… |
… | …00111010011101 |
3 | 21011100221222002 |
4 | 12020000322131 |
5 | 202301423224 |
6 | 14110332045 |
7 | 2355324023 |
oct | 610007235 |
9 | 234327862 |
10 | 102764189 |
11 | 5300a290 |
12 | 2a4ba025 |
13 | 183a0a18 |
14 | d910713 |
15 | 904d9ae |
hex | 6200e9d |
102764189 has 4 divisors (see below), whose sum is σ = 112106400. Its totient is φ = 93421980.
The previous prime is 102764171. The next prime is 102764203. The reversal of 102764189 is 981467201.
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 a cyclic number.
It is not a de Polignac number, because 102764189 - 224 = 85986973 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (102764119) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4671089 + ... + 4671110.
It is an arithmetic number, because the mean of its divisors is an integer number (28026600).
Almost surely, 2102764189 is an apocalyptic number.
It is an amenable number.
102764189 is a deficient number, since it is larger than the sum of its proper divisors (9342211).
102764189 is an equidigital number, since it uses as much as digits as its factorization.
102764189 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9342210.
The product of its (nonzero) digits is 24192, while the sum is 38.
The square root of 102764189 is about 10137.2673339515. The cubic root of 102764189 is about 468.3968147493.
The spelling of 102764189 in words is "one hundred two million, seven hundred sixty-four thousand, one hundred eighty-nine".
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