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8091252 = 22341317113
BaseRepresentation
bin11110110111011001110100
3120020002010000
4132313121310
54032410002
6445231300
7125526441
oct36673164
916202100
108091252
114627094
122862530
1318a3b30
1411089c8
15a9c61c
hex7b7674

8091252 has 120 divisors (see below), whose sum is σ = 24332616. Its totient is φ = 2322432.

The previous prime is 8091241. The next prime is 8091277. The reversal of 8091252 is 2521908.

It can be written as a sum of positive squares in 4 ways, for example, as 2916 + 8088336 = 54^2 + 2844^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 71548 + ... + 71660.

Almost surely, 28091252 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8091252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12166308).

8091252 is an abundant number, since it is smaller than the sum of its proper divisors (16241364).

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

8091252 is a wasteful number, since it uses less digits than its factorization.

8091252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159 (or 148 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 8091252 is about 2844.5126120304. The cubic root of 8091252 is about 200.7575602229.

The spelling of 8091252 in words is "eight million, ninety-one thousand, two hundred fifty-two".

Divisors: 1 2 3 4 6 9 12 13 17 18 26 27 34 36 39 51 52 54 68 78 81 102 108 113 117 153 156 162 204 221 226 234 306 324 339 351 442 452 459 468 612 663 678 702 884 918 1017 1053 1326 1356 1377 1404 1469 1836 1921 1989 2034 2106 2652 2754 2938 3051 3842 3978 4068 4212 4407 5508 5763 5876 5967 6102 7684 7956 8814 9153 11526 11934 12204 13221 17289 17628 17901 18306 23052 23868 24973 26442 34578 35802 36612 39663 49946 51867 52884 69156 71604 74919 79326 99892 103734 118989 149838 155601 158652 207468 224757 237978 299676 311202 449514 475956 622404 674271 899028 1348542 2022813 2697084 4045626 8091252