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98048581 is a prime number
BaseRepresentation
bin1011101100000…
…01101001000101
320211111101100221
411312001221011
5200100023311
613421304341
72300253631
oct566015105
9224441327
1098048581
1150389394
1228a050b1
131740c517
14d043dc1
15891b671
hex5d81a45

98048581 has 2 divisors, whose sum is σ = 98048582. Its totient is φ = 98048580.

The previous prime is 98048551. The next prime is 98048591. The reversal of 98048581 is 18584089.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 77264100 + 20784481 = 8790^2 + 4559^2 .

It is an emirp because it is prime and its reverse (18584089) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 98048581 - 27 = 98048453 is a prime.

It is a super-2 number, since 2×980485812 = 19227048472227122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (98048521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49024290 + 49024291.

It is an arithmetic number, because the mean of its divisors is an integer number (49024291).

Almost surely, 298048581 is an apocalyptic number.

It is an amenable number.

98048581 is a deficient number, since it is larger than the sum of its proper divisors (1).

98048581 is an equidigital number, since it uses as much as digits as its factorization.

98048581 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 92160, while the sum is 43.

The square root of 98048581 is about 9901.9483436342. The cubic root of 98048581 is about 461.1198001599.

The spelling of 98048581 in words is "ninety-eight million, forty-eight thousand, five hundred eighty-one".