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73985112 = 233223431039
BaseRepresentation
bin1000110100011…
…10110001011000
312011012211111100
410122032301120
5122420010422
611201431400
71555602015
oct432166130
9164184440
1073985112
1138843123
122093b560
1312435696
149b7c70c
1567667ac
hex468ec58

73985112 has 96 divisors (see below), whose sum is σ = 214156800. Its totient is φ = 23018688.

The previous prime is 73985111. The next prime is 73985117. The reversal of 73985112 is 21158937.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73985111) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 70689 + ... + 71727.

It is an arithmetic number, because the mean of its divisors is an integer number (2230800).

Almost surely, 273985112 is an apocalyptic number.

73985112 is a gapful number since it is divisible by the number (72) 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 73985112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (107078400).

73985112 is an abundant number, since it is smaller than the sum of its proper divisors (140171688).

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

73985112 is a wasteful number, since it uses less digits than its factorization.

73985112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1117 (or 1110 counting only the distinct ones).

The product of its digits is 15120, while the sum is 36.

The square root of 73985112 is about 8601.4598760908. The cubic root of 73985112 is about 419.8054881622.

The spelling of 73985112 in words is "seventy-three million, nine hundred eighty-five thousand, one hundred twelve".

Divisors: 1 2 3 4 6 8 9 12 18 23 24 36 43 46 69 72 86 92 129 138 172 184 207 258 276 344 387 414 516 552 774 828 989 1032 1039 1548 1656 1978 2078 2967 3096 3117 3956 4156 5934 6234 7912 8312 8901 9351 11868 12468 17802 18702 23736 23897 24936 35604 37404 44677 47794 71208 71691 74808 89354 95588 134031 143382 178708 191176 215073 268062 286764 357416 402093 430146 536124 573528 804186 860292 1027571 1072248 1608372 1720584 2055142 3082713 3216744 4110284 6165426 8220568 9248139 12330852 18496278 24661704 36992556 73985112