Search a number
-
+
3894018914 = 21947009457
BaseRepresentation
bin1110100000011010…
…0000001101100010
3101001101021122201202
43220012200031202
530433332101124
61442222201202
7165332420552
oct35006401542
911041248652
103894018914
111719088055
12908123202
134a0995706
1428d247162
1517bcdd5ae
hexe81a0362

3894018914 has 4 divisors (see below), whose sum is σ = 5841028374. Its totient is φ = 1947009456.

The previous prime is 3894018907. The next prime is 3894018923. The reversal of 3894018914 is 4198104983.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 3706739689 + 187279225 = 60883^2 + 13685^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 973504727 + ... + 973504730.

Almost surely, 23894018914 is an apocalyptic number.

3894018914 is a deficient number, since it is larger than the sum of its proper divisors (1947009460).

3894018914 is a wasteful number, since it uses less digits than its factorization.

3894018914 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1947009459.

The product of its (nonzero) digits is 248832, while the sum is 47.

The square root of 3894018914 is about 62402.0745969235. The cubic root of 3894018914 is about 1573.2558388029.

The spelling of 3894018914 in words is "three billion, eight hundred ninety-four million, eighteen thousand, nine hundred fourteen".

Divisors: 1 2 1947009457 3894018914