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8938090 = 2572172937
BaseRepresentation
bin100010000110…
…001001101010
3121211002202101
4202012021222
54242004330
6515324014
7135654400
oct42061152
917732671
108938090
115055357
122bb060a
131b0c415
141289470
15bb84ca
hex88626a

8938090 has 96 divisors (see below), whose sum is σ = 21053520. Its totient is φ = 2709504.

The previous prime is 8938081. The next prime is 8938093. The reversal of 8938090 is 908398.

It can be written as a sum of positive squares in 8 ways, for example, as 7112889 + 1825201 = 2667^2 + 1351^2 .

It is a Harshad number since it is a multiple of its sum of digits (37).

It is not an unprimeable number, because it can be changed into a prime (8938093) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 241552 + ... + 241588.

Almost surely, 28938090 is an apocalyptic number.

8938090 is an abundant number, since it is smaller than the sum of its proper divisors (12115430).

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

8938090 is a wasteful number, since it uses less digits than its factorization.

8938090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104 (or 97 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 37.

The square root of 8938090 is about 2989.6638607041. The cubic root of 8938090 is about 207.5303289485.

The spelling of 8938090 in words is "eight million, nine hundred thirty-eight thousand, ninety".

Divisors: 1 2 5 7 10 14 17 29 34 35 37 49 58 70 74 85 98 119 145 170 185 203 238 245 259 290 370 406 490 493 518 595 629 833 986 1015 1073 1190 1258 1295 1421 1666 1813 2030 2146 2465 2590 2842 3145 3451 3626 4165 4403 4930 5365 6290 6902 7105 7511 8330 8806 9065 10730 14210 15022 17255 18130 18241 22015 24157 30821 34510 36482 37555 44030 48314 52577 61642 75110 91205 105154 120785 127687 154105 182410 241570 255374 262885 308210 525770 638435 893809 1276870 1787618 4469045 8938090