Search a number
-
+
98542081 = 1117526963
BaseRepresentation
bin1011101111110…
…10001000000001
320212102110022201
411313322020001
5200211321311
613440033201
72304410461
oct567721001
9225373281
1098542081
1150696140
1229002801
1317553031
14d131ba1
1589b79c1
hex5dfa201

98542081 has 8 divisors (see below), whose sum is σ = 113824224. Its totient is φ = 84313920.

The previous prime is 98542079. The next prime is 98542109. The reversal of 98542081 is 18024589.

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

It is a cyclic number.

It is not a de Polignac number, because 98542081 - 21 = 98542079 is a prime.

It is a super-2 number, since 2×985420812 = 19421083455621122, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 98542081.

It is not an unprimeable number, because it can be changed into a prime (98542001) 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 7 ways as a sum of consecutive naturals, for example, 263295 + ... + 263668.

It is an arithmetic number, because the mean of its divisors is an integer number (14228028).

Almost surely, 298542081 is an apocalyptic number.

It is an amenable number.

98542081 is a deficient number, since it is larger than the sum of its proper divisors (15282143).

98542081 is a wasteful number, since it uses less digits than its factorization.

98542081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 526991.

The product of its (nonzero) digits is 23040, while the sum is 37.

The square root of 98542081 is about 9926.8364044140. The cubic root of 98542081 is about 461.8921448222.

It can be divided in two parts, 9854 and 2081, that added together give a triangular number (11935 = T154).

The spelling of 98542081 in words is "ninety-eight million, five hundred forty-two thousand, eighty-one".

Divisors: 1 11 17 187 526963 5796593 8958371 98542081