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98038861 = 463211747
BaseRepresentation
bin1011101011111…
…11010001001101
320211110220000221
411311333101031
5200044220421
613421151341
72300213404
oct565772115
9224426027
1098038861
1150382058
12289bb551
1317407c7b
14d04063b
158918841
hex5d7f44d

98038861 has 4 divisors (see below), whose sum is σ = 98251072. Its totient is φ = 97826652.

The previous prime is 98038849. The next prime is 98038873. The reversal of 98038861 is 16883089.

It is a happy number.

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.

It is an interprime number because it is at equal distance from previous prime (98038849) and next prime (98038873).

It is a cyclic number.

It is not a de Polignac number, because 98038861 - 215 = 98006093 is a prime.

It is a super-2 number, since 2×980388612 = 19223236532354642, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98038891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105411 + ... + 106336.

It is an arithmetic number, because the mean of its divisors is an integer number (24562768).

Almost surely, 298038861 is an apocalyptic number.

It is an amenable number.

98038861 is a deficient number, since it is larger than the sum of its proper divisors (212211).

98038861 is a wasteful number, since it uses less digits than its factorization.

98038861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212210.

The product of its (nonzero) digits is 82944, while the sum is 43.

The square root of 98038861 is about 9901.4575189716. The cubic root of 98038861 is about 461.1045620248.

The spelling of 98038861 in words is "ninety-eight million, thirty-eight thousand, eight hundred sixty-one".

Divisors: 1 463 211747 98038861