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2988072 = 233247883
BaseRepresentation
bin1011011001100000101000
312121210212100
423121200220
51231104242
6144013400
734253403
oct13314050
95553770
102988072
111760a8a
121001260
138080b9
1457ad3a
153e054c
hex2d9828

2988072 has 48 divisors (see below), whose sum is σ = 8274240. Its totient is φ = 973728.

The previous prime is 2988071. The next prime is 2988077. The reversal of 2988072 is 2708892.

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 27 + 95 + 8 + 87 + 0 + 77 + 213 .

It is not an unprimeable number, because it can be changed into a prime (2988071) 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, 2943 + ... + 3825.

It is an arithmetic number, because the mean of its divisors is an integer number (172380).

22988072 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 2988072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4137120).

2988072 is an abundant number, since it is smaller than the sum of its proper divisors (5286168).

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

2988072 is a wasteful number, since it uses less digits than its factorization.

2988072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 942 (or 935 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 36.

The square root of 2988072 is about 1728.6040610851. The cubic root of 2988072 is about 144.0335569943.

The spelling of 2988072 in words is "two million, nine hundred eighty-eight thousand, seventy-two".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 47 72 94 141 188 282 376 423 564 846 883 1128 1692 1766 2649 3384 3532 5298 7064 7947 10596 15894 21192 31788 41501 63576 83002 124503 166004 249006 332008 373509 498012 747018 996024 1494036 2988072