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98144189 = 11213431451
BaseRepresentation
bin1011101100110…
…00111110111101
320211200020111222
411312120332331
5200111103224
613423323125
72301132443
oct566307675
9224606458
1098144189
1150444200
1228a504a5
1317443bb0
14d06ab93
158939b5e
hex5d98fbd

98144189 has 24 divisors (see below), whose sum is σ = 118959456. Its totient is φ = 80388000.

The previous prime is 98144183. The next prime is 98144227.

98144189 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 98144189 - 220 = 97095613 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98144183) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 66914 + ... + 68364.

It is an arithmetic number, because the mean of its divisors is an integer number (4956644).

Almost surely, 298144189 is an apocalyptic number.

It is an amenable number.

98144189 is a deficient number, since it is larger than the sum of its proper divisors (20815267).

98144189 is a wasteful number, since it uses less digits than its factorization.

98144189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1529 (or 1518 counting only the distinct ones).

The product of its digits is 82944, while the sum is 44.

The square root of 98144189 is about 9906.7749040745. The cubic root of 98144189 is about 461.2696320745.

The spelling of 98144189 in words is "ninety-eight million, one hundred forty-four thousand, one hundred eighty-nine".

Divisors: 1 11 13 43 121 143 473 559 1451 1573 5203 6149 15961 18863 62393 67639 175571 207493 686323 811109 2282423 7549553 8922199 98144189