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98148069 = 32109100049
BaseRepresentation
bin1011101100110…
…01111011100101
320211200102211200
411312121323211
5200111214234
613423353113
72301146655
oct566317345
9224612750
1098148069
1150447108
1228a52799
13174458a6
14d06c365
15893ad99
hex5d99ee5

98148069 has 12 divisors (see below), whose sum is σ = 143071500. Its totient is φ = 64831104.

The previous prime is 98148067. The next prime is 98148101. The reversal of 98148069 is 96084189.

It can be written as a sum of positive squares in 2 ways, for example, as 25250625 + 72897444 = 5025^2 + 8538^2 .

It is not a de Polignac number, because 98148069 - 21 = 98148067 is a prime.

It is a super-2 number, since 2×981480692 = 19266086896857522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98148067) 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 11 ways as a sum of consecutive naturals, for example, 49044 + ... + 51005.

It is an arithmetic number, because the mean of its divisors is an integer number (11922625).

Almost surely, 298148069 is an apocalyptic number.

It is an amenable number.

98148069 is a deficient number, since it is larger than the sum of its proper divisors (44923431).

98148069 is a wasteful number, since it uses less digits than its factorization.

98148069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100164 (or 100161 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 45.

The square root of 98148069 is about 9906.9707277250. The cubic root of 98148069 is about 461.2757105549.

It can be divided in two parts, 981 and 48069, that multiplied together give a square (47155689 = 68672).

The spelling of 98148069 in words is "ninety-eight million, one hundred forty-eight thousand, sixty-nine".

Divisors: 1 3 9 109 327 981 100049 300147 900441 10905341 32716023 98148069