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4981898 = 27931531
BaseRepresentation
bin10011000000010010001010
3100101002212202
4103000102022
52233410043
6254440202
760226325
oct23002212
910332782
104981898
1128a2a79
121803062
13105578c
149397bc
156861b8
hex4c048a

4981898 has 8 divisors (see below), whose sum is σ = 7567680. Its totient is φ = 2459340.

The previous prime is 4981877. The next prime is 4981903. The reversal of 4981898 is 8981894.

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

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

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15608 + ... + 15923.

It is an arithmetic number, because the mean of its divisors is an integer number (945960).

Almost surely, 24981898 is an apocalyptic number.

4981898 is a deficient number, since it is larger than the sum of its proper divisors (2585782).

4981898 is a wasteful number, since it uses less digits than its factorization.

4981898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31612.

The product of its digits is 165888, while the sum is 47.

The square root of 4981898 is about 2232.0165769994. The cubic root of 4981898 is about 170.7909852332.

The spelling of 4981898 in words is "four million, nine hundred eighty-one thousand, eight hundred ninety-eight".

Divisors: 1 2 79 158 31531 63062 2490949 4981898