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3005140 = 2253137131
BaseRepresentation
bin1011011101101011010100
312122200021111
423131223110
51232131030
6144224404
734354225
oct13355324
95580244
103005140
111772896
12100b104
13812ab8
1458324c
153e562a
hex2ddad4

3005140 has 48 divisors (see below), whose sum is σ = 6741504. Its totient is φ = 1123200.

The previous prime is 3005131. The next prime is 3005147. The reversal of 3005140 is 415003.

It is a self number, because there is not a number n which added to its sum of digits gives 3005140.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3005147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22875 + ... + 23005.

It is an arithmetic number, because the mean of its divisors is an integer number (140448).

Almost surely, 23005140 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 3005140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3370752).

3005140 is an abundant number, since it is smaller than the sum of its proper divisors (3736364).

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

3005140 is a wasteful number, since it uses less digits than its factorization.

3005140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208 (or 206 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 13.

The square root of 3005140 is about 1733.5339627478. The cubic root of 3005140 is about 144.3072785094.

The spelling of 3005140 in words is "three million, five thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 31 37 62 74 124 131 148 155 185 262 310 370 524 620 655 740 1147 1310 2294 2620 4061 4588 4847 5735 8122 9694 11470 16244 19388 20305 22940 24235 40610 48470 81220 96940 150257 300514 601028 751285 1502570 3005140