Search a number
-
+
90809314 = 245404657
BaseRepresentation
bin1010110100110…
…10001111100010
320022212120221221
411122122033202
5141221344224
613002205254
72151603121
oct532321742
9208776857
1090809314
1147294422
12264b382a
1315a7642b
14c0bbab8
157e8b6e4
hex569a3e2

90809314 has 4 divisors (see below), whose sum is σ = 136213974. Its totient is φ = 45404656.

The previous prime is 90809309. The next prime is 90809333. The reversal of 90809314 is 41390809.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 41390809 = 49184299.

It can be written as a sum of positive squares in only one way, i.e., 54508689 + 36300625 = 7383^2 + 6025^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 90809314.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22702327 + ... + 22702330.

Almost surely, 290809314 is an apocalyptic number.

90809314 is a deficient number, since it is larger than the sum of its proper divisors (45404660).

90809314 is a wasteful number, since it uses less digits than its factorization.

90809314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45404659.

The product of its (nonzero) digits is 7776, while the sum is 34.

The square root of 90809314 is about 9529.3921107277. The cubic root of 90809314 is about 449.4797510307.

The spelling of 90809314 in words is "ninety million, eight hundred nine thousand, three hundred fourteen".

Divisors: 1 2 45404657 90809314