Search a number
-
+
188327042 = 294163521
BaseRepresentation
bin10110011100110…
…10010010000010
3111010101000010122
423032122102002
5341202431132
630404300242
74444516301
oct1316322202
9433330118
10188327042
119733a992
12530a1682
133002b127
141b024438
1511800912
hexb39a482

188327042 has 4 divisors (see below), whose sum is σ = 282490566. Its totient is φ = 94163520.

The previous prime is 188327023. The next prime is 188327047. The reversal of 188327042 is 240723881.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 240723881 = 385362477.

It can be written as a sum of positive squares in only one way, i.e., 116229961 + 72097081 = 10781^2 + 8491^2 .

It is a junction number, because it is equal to n+sod(n) for n = 188326993 and 188327011.

It is not an unprimeable number, because it can be changed into a prime (188327047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47081759 + ... + 47081762.

Almost surely, 2188327042 is an apocalyptic number.

188327042 is a deficient number, since it is larger than the sum of its proper divisors (94163524).

188327042 is an equidigital number, since it uses as much as digits as its factorization.

188327042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94163523.

The product of its (nonzero) digits is 21504, while the sum is 35.

The square root of 188327042 is about 13723.2300133751. The cubic root of 188327042 is about 573.1974218884.

The spelling of 188327042 in words is "one hundred eighty-eight million, three hundred twenty-seven thousand, forty-two".

Divisors: 1 2 94163521 188327042