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8648964 = 2233531511
BaseRepresentation
bin100000111111…
…100100000100
3121021102011000
4200333210010
54203231324
6505213300
7133341432
oct40774404
917242130
108648964
114978105
122a91230
131a3a93c
141211d52
15b5c9c9
hex83f904

8648964 has 48 divisors (see below), whose sum is σ = 22861440. Its totient is φ = 2826720.

The previous prime is 8648953. The next prime is 8649001. The reversal of 8648964 is 4698468.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4969 + ... + 6479.

It is an arithmetic number, because the mean of its divisors is an integer number (476280).

Almost surely, 28648964 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 8648964, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11430720).

8648964 is an abundant number, since it is smaller than the sum of its proper divisors (14212476).

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

8648964 is a wasteful number, since it uses less digits than its factorization.

8648964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1577 (or 1569 counting only the distinct ones).

The product of its digits is 331776, while the sum is 45.

The square root of 8648964 is about 2940.9121034128. The cubic root of 8648964 is about 205.2680530754.

It can be divided in two parts, 864896 and 4, that added together give a square (864900 = 9302).

The spelling of 8648964 in words is "eight million, six hundred forty-eight thousand, nine hundred sixty-four".

Divisors: 1 2 3 4 6 9 12 18 27 36 53 54 106 108 159 212 318 477 636 954 1431 1511 1908 2862 3022 4533 5724 6044 9066 13599 18132 27198 40797 54396 80083 81594 160166 163188 240249 320332 480498 720747 960996 1441494 2162241 2882988 4324482 8648964