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4987894 = 22493947
BaseRepresentation
bin10011000001101111110110
3100101102002211
4103001233312
52234103034
6254524034
760252652
oct23015766
910342084
104987894
1128a752a
12180661a
131058422
1493ba62
15687d64
hex4c1bf6

4987894 has 4 divisors (see below), whose sum is σ = 7481844. Its totient is φ = 2493946.

The previous prime is 4987891. The next prime is 4987901.

4987894 is nontrivially palindromic in base 10.

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

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4987891) by changing a digit.

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 as a sum of consecutive naturals, namely, 1246972 + ... + 1246975.

It is an arithmetic number, because the mean of its divisors is an integer number (1870461).

Almost surely, 24987894 is an apocalyptic number.

4987894 is a deficient number, since it is larger than the sum of its proper divisors (2493950).

4987894 is a wasteful number, since it uses less digits than its factorization.

4987894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2493949.

The product of its digits is 580608, while the sum is 49.

The square root of 4987894 is about 2233.3593530823. The cubic root of 4987894 is about 170.8594766785.

The spelling of 4987894 in words is "four million, nine hundred eighty-seven thousand, eight hundred ninety-four".

Divisors: 1 2 2493947 4987894