Search a number
-
+
98973889 = 714139127
BaseRepresentation
bin1011110011000…
…11100011000001
320220020101122121
411321203203001
5200314131024
613453204241
72311156420
oct571434301
9226211577
1098973889
1150960603
1229190681
1317674741
14d2052b7
158a508e4
hex5e638c1

98973889 has 4 divisors (see below), whose sum is σ = 113113024. Its totient is φ = 84834756.

The previous prime is 98973871. The next prime is 98973893. The reversal of 98973889 is 98837989.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 98837989 = 372671297.

It is a cyclic number.

It is not a de Polignac number, because 98973889 - 225 = 65419457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (98973829) 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 in 3 ways as a sum of consecutive naturals, for example, 7069557 + ... + 7069570.

It is an arithmetic number, because the mean of its divisors is an integer number (28278256).

Almost surely, 298973889 is an apocalyptic number.

It is an amenable number.

98973889 is a deficient number, since it is larger than the sum of its proper divisors (14139135).

98973889 is a wasteful number, since it uses less digits than its factorization.

98973889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14139134.

The product of its digits is 7838208, while the sum is 61.

The square root of 98973889 is about 9948.5621574175. The cubic root of 98973889 is about 462.5658269100.

The spelling of 98973889 in words is "ninety-eight million, nine hundred seventy-three thousand, eight hundred eighty-nine".

Divisors: 1 7 14139127 98973889