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103255020 = 223351117383
BaseRepresentation
bin1100010011110…
…00101111101100
321012021220021000
412021320233230
5202413130040
614125040300
72362440021
oct611705754
9235256230
10103255020
1153315030
122a6b6090
131851325b
14d9db548
1590e9130
hex6278bec

103255020 has 96 divisors (see below), whose sum is σ = 350461440. Its totient is φ = 25030080.

The previous prime is 103255013. The next prime is 103255039. The reversal of 103255020 is 20552301.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 103254984 and 103255002.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2752 + ... + 14631.

It is an arithmetic number, because the mean of its divisors is an integer number (3650640).

Almost surely, 2103255020 is an apocalyptic number.

103255020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 103255020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (175230720).

103255020 is an abundant number, since it is smaller than the sum of its proper divisors (247206420).

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

103255020 is a wasteful number, since it uses less digits than its factorization.

103255020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17412 (or 17404 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 18.

The square root of 103255020 is about 10161.4477314997. The cubic root of 103255020 is about 469.1413627575.

The spelling of 103255020 in words is "one hundred three million, two hundred fifty-five thousand, twenty".

Divisors: 1 2 3 4 5 6 9 10 11 12 15 18 20 22 27 30 33 36 44 45 54 55 60 66 90 99 108 110 132 135 165 180 198 220 270 297 330 396 495 540 594 660 990 1188 1485 1980 2970 5940 17383 34766 52149 69532 86915 104298 156447 173830 191213 208596 260745 312894 347660 382426 469341 521490 573639 625788 764852 782235 938682 956065 1042980 1147278 1564470 1720917 1877364 1912130 2294556 2346705 2868195 3128940 3441834 3824260 4693410 5162751 5736390 6883668 8604585 9386820 10325502 11472780 17209170 20651004 25813755 34418340 51627510 103255020