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8098820 = 225404941
BaseRepresentation
bin11110111001010000000100
3120020110111022
4132321100010
54033130240
6445330312
7125560502
oct36712004
916213438
108098820
114631844
122866998
1318a7402
14110b672
15a9e9b5
hex7b9404

8098820 has 12 divisors (see below), whose sum is σ = 17007564. Its totient is φ = 3239520.

The previous prime is 8098799. The next prime is 8098837. The reversal of 8098820 is 288908.

It can be written as a sum of positive squares in 2 ways, for example, as 1044484 + 7054336 = 1022^2 + 2656^2 .

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 202451 + ... + 202490.

It is an arithmetic number, because the mean of its divisors is an integer number (1417297).

Almost surely, 28098820 is an apocalyptic number.

It is an amenable number.

8098820 is an abundant number, since it is smaller than the sum of its proper divisors (8908744).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8098820 is a wasteful number, since it uses less digits than its factorization.

8098820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 404950 (or 404948 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 35.

The square root of 8098820 is about 2845.8425817322. The cubic root of 8098820 is about 200.8201323179.

The spelling of 8098820 in words is "eight million, ninety-eight thousand, eight hundred twenty".

Divisors: 1 2 4 5 10 20 404941 809882 1619764 2024705 4049410 8098820