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3005136 = 243241509
BaseRepresentation
bin1011011101101011010000
312122200021100
423131223100
51232131021
6144224400
734354221
oct13355320
95580240
103005136
111772892
12100b100
13812ab4
14583248
153e5626
hex2ddad0

3005136 has 60 divisors (see below), whose sum is σ = 8632260. Its totient is φ = 975360.

The previous prime is 3005131. The next prime is 3005147. The reversal of 3005136 is 6315003.

It can be written as a sum of positive squares in 2 ways, for example, as 1166400 + 1838736 = 1080^2 + 1356^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3005131) 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, 5650 + ... + 6158.

It is an arithmetic number, because the mean of its divisors is an integer number (143871).

Almost surely, 23005136 is an apocalyptic number.

3005136 is a gapful number since it is divisible by the number (36) 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 3005136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4316130).

3005136 is an abundant number, since it is smaller than the sum of its proper divisors (5627124).

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

3005136 is a wasteful number, since it uses less digits than its factorization.

3005136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 564 (or 555 counting only the distinct ones).

The product of its (nonzero) digits is 270, while the sum is 18.

The square root of 3005136 is about 1733.5328090348. The cubic root of 3005136 is about 144.3072144825.

The spelling of 3005136 in words is "three million, five thousand, one hundred thirty-six".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 36 41 48 72 82 123 144 164 246 328 369 492 509 656 738 984 1018 1476 1527 1968 2036 2952 3054 4072 4581 5904 6108 8144 9162 12216 18324 20869 24432 36648 41738 62607 73296 83476 125214 166952 187821 250428 333904 375642 500856 751284 1001712 1502568 3005136