Search a number
-
+
98045189 = 118913199
BaseRepresentation
bin1011101100000…
…00110100000101
320211111012201022
411312000310011
5200044421224
613421240525
72300241014
oct566006405
9224435638
1098045189
1150386890
1228a03145
131740ab08
14d042a7b
15891a65e
hex5d80d05

98045189 has 4 divisors (see below), whose sum is σ = 106958400. Its totient is φ = 89131980.

The previous prime is 98045183. The next prime is 98045191. The reversal of 98045189 is 98154089.

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: 98154089 = 118923099.

It is a cyclic number.

It is not a de Polignac number, because 98045189 - 212 = 98041093 is a prime.

It is a super-2 number, since 2×980451892 = 19225718172091442, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98045183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4456589 + ... + 4456610.

It is an arithmetic number, because the mean of its divisors is an integer number (26739600).

Almost surely, 298045189 is an apocalyptic number.

It is an amenable number.

98045189 is a deficient number, since it is larger than the sum of its proper divisors (8913211).

98045189 is a wasteful number, since it uses less digits than its factorization.

98045189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8913210.

The product of its (nonzero) digits is 103680, while the sum is 44.

The square root of 98045189 is about 9901.7770627297. Note that the first 3 decimals coincide. The cubic root of 98045189 is about 461.1144826041.

Subtracting 98045189 from its reverse (98154089), we obtain a square (108900 = 3302).

The spelling of 98045189 in words is "ninety-eight million, forty-five thousand, one hundred eighty-nine".

Divisors: 1 11 8913199 98045189