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98920811 = 1183108347
BaseRepresentation
bin1011110010101…
…10100101101011
320220010200211202
411321112211223
5200310431221
613452114415
72310545603
oct571264553
9226120752
1098920811
1150924740
1229165a0b
1317656532
14d1cdc03
158a3ed0b
hex5e5696b

98920811 has 8 divisors (see below), whose sum is σ = 109214784. Its totient is φ = 88843720.

The previous prime is 98920781. The next prime is 98920817. The reversal of 98920811 is 11802989.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 98920811 - 26 = 98920747 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (98920817) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53261 + ... + 55086.

It is an arithmetic number, because the mean of its divisors is an integer number (13651848).

Almost surely, 298920811 is an apocalyptic number.

98920811 is a deficient number, since it is larger than the sum of its proper divisors (10293973).

98920811 is a wasteful number, since it uses less digits than its factorization.

98920811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108441.

The product of its (nonzero) digits is 10368, while the sum is 38.

The square root of 98920811 is about 9945.8941780013. The cubic root of 98920811 is about 462.4831234163.

The spelling of 98920811 in words is "ninety-eight million, nine hundred twenty thousand, eight hundred eleven".

Divisors: 1 11 83 913 108347 1191817 8992801 98920811