Search a number
-
+
2240509858 = 21120254929
BaseRepresentation
bin1000010110001011…
…0111011110100010
312210010220200201121
42011202313132202
514042032303413
61010153522454
7106344006466
oct20542673642
95703820647
102240509858
11a4a789244
1252641342a
132992462a2
141737c44a6
15d1a6eb8d
hex858b77a2

2240509858 has 4 divisors (see below), whose sum is σ = 3360764790. Its totient is φ = 1120254928.

The previous prime is 2240509847. The next prime is 2240509889. The reversal of 2240509858 is 8589050422.

2240509858 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8589050422 = 24294525211.

It can be written as a sum of positive squares in only one way, i.e., 1867363369 + 373146489 = 43213^2 + 19317^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560127463 + ... + 560127466.

Almost surely, 22240509858 is an apocalyptic number.

2240509858 is a deficient number, since it is larger than the sum of its proper divisors (1120254932).

2240509858 is a wasteful number, since it uses less digits than its factorization.

2240509858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1120254931.

The product of its (nonzero) digits is 230400, while the sum is 43.

The square root of 2240509858 is about 47334.0243165527. The cubic root of 2240509858 is about 1308.5257891234.

The spelling of 2240509858 in words is "two billion, two hundred forty million, five hundred nine thousand, eight hundred fifty-eight".

Divisors: 1 2 1120254929 2240509858