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2768172 = 2231167313
BaseRepresentation
bin1010100011110100101100
312012122012220
422203310230
51202040142
6135155340
732346321
oct12436454
95178186
102768172
111620850
12b15b50
1375bc94
14520b48
1539a2ec
hex2a3d2c

2768172 has 48 divisors (see below), whose sum is σ = 7174272. Its totient is φ = 823680.

The previous prime is 2768123. The next prime is 2768177. The reversal of 2768172 is 2718672.

2768172 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (2768177) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8688 + ... + 9000.

It is an arithmetic number, because the mean of its divisors is an integer number (149464).

22768172 is an apocalyptic number.

2768172 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2768172, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3587136).

2768172 is an abundant number, since it is smaller than the sum of its proper divisors (4406100).

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

2768172 is a wasteful number, since it uses less digits than its factorization.

2768172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 398 (or 396 counting only the distinct ones).

The product of its digits is 9408, while the sum is 33.

The square root of 2768172 is about 1663.7824377003. The cubic root of 2768172 is about 140.4098872105.

It can be divided in two parts, 276 and 8172, that added together give a palindrome (8448).

The spelling of 2768172 in words is "two million, seven hundred sixty-eight thousand, one hundred seventy-two".

Divisors: 1 2 3 4 6 11 12 22 33 44 66 67 132 134 201 268 313 402 626 737 804 939 1252 1474 1878 2211 2948 3443 3756 4422 6886 8844 10329 13772 20658 20971 41316 41942 62913 83884 125826 230681 251652 461362 692043 922724 1384086 2768172