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8253288 = 2332791451
BaseRepresentation
bin11111011110111101101000
3120112022101100
4133132331220
54103101123
6452521400
7130103031
oct37367550
916468340
108253288
1147278aa
122920260
13192c804
14114ba88
15ad0643
hex7def68

8253288 has 48 divisors (see below), whose sum is σ = 22651200. Its totient is φ = 2714400.

The previous prime is 8253281. The next prime is 8253293. The reversal of 8253288 is 8823528.

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

It is a d-powerful number, because it can be written as 83 + 221 + 59 + 3 + 222 + 84 + 84 .

It is not an unprimeable number, because it can be changed into a prime (8253281) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4963 + ... + 6413.

It is an arithmetic number, because the mean of its divisors is an integer number (471900).

Almost surely, 28253288 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 8253288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11325600).

8253288 is an abundant number, since it is smaller than the sum of its proper divisors (14397912).

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

8253288 is a wasteful number, since it uses less digits than its factorization.

8253288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1542 (or 1535 counting only the distinct ones).

The product of its digits is 30720, while the sum is 36.

The square root of 8253288 is about 2872.8536335846. The cubic root of 8253288 is about 202.0888410964.

The spelling of 8253288 in words is "eight million, two hundred fifty-three thousand, two hundred eighty-eight".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 72 79 158 237 316 474 632 711 948 1422 1451 1896 2844 2902 4353 5688 5804 8706 11608 13059 17412 26118 34824 52236 104472 114629 229258 343887 458516 687774 917032 1031661 1375548 2063322 2751096 4126644 8253288