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8275968 = 21132449
BaseRepresentation
bin11111100100100000000000
3120120110111100
4133210200000
54104312333
6453214400
7130226121
oct37444000
916513440
108275968
114742948
122931400
131939c2c
141156048
15ad7213
hex7e4800

8275968 has 72 divisors (see below), whose sum is σ = 23955750. Its totient is φ = 2752512.

The previous prime is 8275903. The next prime is 8275987. The reversal of 8275968 is 8695728.

It can be written as a sum of positive squares in only one way, i.e., 6718464 + 1557504 = 2592^2 + 1248^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 18208 + ... + 18656.

Almost surely, 28275968 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 8275968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11977875).

8275968 is an abundant number, since it is smaller than the sum of its proper divisors (15679782).

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

8275968 is a wasteful number, since it uses less digits than its factorization.

8275968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 477 (or 454 counting only the distinct ones).

The product of its digits is 241920, while the sum is 45.

The square root of 8275968 is about 2876.7982202442. The cubic root of 8275968 is about 202.2737848808.

The spelling of 8275968 in words is "eight million, two hundred seventy-five thousand, nine hundred sixty-eight".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 32 36 48 64 72 96 128 144 192 256 288 384 449 512 576 768 898 1024 1152 1347 1536 1796 2048 2304 2694 3072 3592 4041 4608 5388 6144 7184 8082 9216 10776 14368 16164 18432 21552 28736 32328 43104 57472 64656 86208 114944 129312 172416 229888 258624 344832 459776 517248 689664 919552 1034496 1379328 2068992 2758656 4137984 8275968