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103869072 = 24324173241
BaseRepresentation
bin1100011000011…
…10101010010000
321020110002120200
412030032222100
5203042302242
614150135200
72400605166
oct614165220
9236402520
10103869072
11536a440a
122a951500
13186998b8
14db1b236
1591bb04c
hex630ea90

103869072 has 120 divisors (see below), whose sum is σ = 303110808. Its totient is φ = 33177600.

The previous prime is 103869061. The next prime is 103869079. The reversal of 103869072 is 270968301.

It can be written as a sum of positive squares in 4 ways, for example, as 7750656 + 96118416 = 2784^2 + 9804^2 .

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (103869079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 430872 + ... + 431112.

Almost surely, 2103869072 is an apocalyptic number.

103869072 is a gapful number since it is divisible by the number (12) 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 103869072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (151555404).

103869072 is an abundant number, since it is smaller than the sum of its proper divisors (199241736).

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

103869072 is a wasteful number, since it uses less digits than its factorization.

103869072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 369 (or 360 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 103869072 is about 10191.6177322347. The cubic root of 103869072 is about 470.0695113728.

The spelling of 103869072 in words is "one hundred three million, eight hundred sixty-nine thousand, seventy-two".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 36 41 48 72 73 82 123 144 146 164 219 241 246 292 328 369 438 482 492 584 656 657 723 738 876 964 984 1168 1314 1446 1476 1752 1928 1968 2169 2628 2892 2952 2993 3504 3856 4338 5256 5784 5904 5986 8676 8979 9881 10512 11568 11972 17352 17593 17958 19762 23944 26937 29643 34704 35186 35916 39524 47888 52779 53874 59286 70372 71832 79048 88929 105558 107748 118572 140744 143664 158096 158337 177858 211116 215496 237144 281488 316674 355716 422232 430992 474288 633348 711432 721313 844464 1266696 1422864 1442626 2163939 2533392 2885252 4327878 5770504 6491817 8655756 11541008 12983634 17311512 25967268 34623024 51934536 103869072