Search a number
-
+
2508768 = 253231281
BaseRepresentation
bin1001100100011111100000
311201110101100
421210133200
51120240033
6125434400
730216123
oct11443740
94643340
102508768
111463969
12a0ba00
1369aba2
144943ba
15348513
hex2647e0

2508768 has 72 divisors (see below), whose sum is σ = 7390656. Its totient is φ = 806400.

The previous prime is 2508763. The next prime is 2508769. The reversal of 2508768 is 8678052.

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

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 (2508763) 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, 8788 + ... + 9068.

It is an arithmetic number, because the mean of its divisors is an integer number (102648).

22508768 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 2508768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3695328).

2508768 is an abundant number, since it is smaller than the sum of its proper divisors (4881888).

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

2508768 is a wasteful number, since it uses less digits than its factorization.

2508768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328 (or 317 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 36.

The square root of 2508768 is about 1583.9090883002. The cubic root of 2508768 is about 135.8793624561.

The spelling of 2508768 in words is "two million, five hundred eight thousand, seven hundred sixty-eight".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 31 32 36 48 62 72 93 96 124 144 186 248 279 281 288 372 496 558 562 744 843 992 1116 1124 1488 1686 2232 2248 2529 2976 3372 4464 4496 5058 6744 8711 8928 8992 10116 13488 17422 20232 26133 26976 34844 40464 52266 69688 78399 80928 104532 139376 156798 209064 278752 313596 418128 627192 836256 1254384 2508768