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98209161 = 32103105943
BaseRepresentation
bin1011101101010…
…00110110001001
320211210112122100
411312220312021
5200120143121
613424544013
72301523041
oct566506611
9224715570
1098209161
1150488aa6
1228a82009
131746763b
14d086721
15894e026
hex5da8d89

98209161 has 12 divisors (see below), whose sum is σ = 143236288. Its totient is φ = 64836504.

The previous prime is 98209151. The next prime is 98209171. The reversal of 98209161 is 16190289.

It is an interprime number because it is at equal distance from previous prime (98209151) and next prime (98209171).

It is not a de Polignac number, because 98209161 - 213 = 98200969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (98209151) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 52045 + ... + 53898.

Almost surely, 298209161 is an apocalyptic number.

It is an amenable number.

98209161 is a deficient number, since it is larger than the sum of its proper divisors (45027127).

98209161 is a wasteful number, since it uses less digits than its factorization.

98209161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106052 (or 106049 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 36.

The square root of 98209161 is about 9910.0535316415. The cubic root of 98209161 is about 461.3713973103.

It can be divided in two parts, 9820 and 9161, that added together give a palindrome (18981).

The spelling of 98209161 in words is "ninety-eight million, two hundred nine thousand, one hundred sixty-one".

Divisors: 1 3 9 103 309 927 105943 317829 953487 10912129 32736387 98209161