Search a number
-
+
453126890 = 2545312689
BaseRepresentation
bin11011000000100…
…010101011101010
31011120122020020102
4123000202223222
51412000030030
6112544025402
714141341436
oct3300425352
91146566212
10453126890
11212861a37
12107902262
1372b53028
14442739c6
1529ba9c45
hex1b022aea

453126890 has 8 divisors (see below), whose sum is σ = 815628420. Its totient is φ = 181250752.

The previous prime is 453126889. The next prime is 453126911. The reversal of 453126890 is 98621354.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 452966089 + 160801 = 21283^2 + 401^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22656335 + ... + 22656354.

Almost surely, 2453126890 is an apocalyptic number.

453126890 is a deficient number, since it is larger than the sum of its proper divisors (362501530).

453126890 is a wasteful number, since it uses less digits than its factorization.

453126890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45312696.

The product of its (nonzero) digits is 51840, while the sum is 38.

The square root of 453126890 is about 21286.7773512103. Note that the first 3 decimals coincide. The cubic root of 453126890 is about 768.0802743149.

The spelling of 453126890 in words is "four hundred fifty-three million, one hundred twenty-six thousand, eight hundred ninety".

Divisors: 1 2 5 10 45312689 90625378 226563445 453126890