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3020490 = 235511113
BaseRepresentation
bin1011100001011011001010
312200110100000
423201123022
51233123430
6144423430
734450044
oct13413312
95613300
103020490
111783380
121017b76
13819a95
14588a94
153e9e60
hex2e16ca

3020490 has 96 divisors (see below), whose sum is σ = 8963136. Its totient is φ = 725760.

The previous prime is 3020471. The next prime is 3020491. The reversal of 3020490 is 940203.

3020490 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 (18).

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (3020491) 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 47 ways as a sum of consecutive naturals, for example, 26674 + ... + 26786.

It is an arithmetic number, because the mean of its divisors is an integer number (93366).

Almost surely, 23020490 is an apocalyptic number.

3020490 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 3020490, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4481568).

3020490 is an abundant number, since it is smaller than the sum of its proper divisors (5942646).

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

3020490 is a wasteful number, since it uses less digits than its factorization.

3020490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146 (or 134 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 3020490 is about 1737.9556956378. The cubic root of 3020490 is about 144.5525644582.

Adding to 3020490 its reverse (940203), we get a palindrome (3960693).

The spelling of 3020490 in words is "three million, twenty thousand, four hundred ninety".

Divisors: 1 2 3 5 6 9 10 11 15 18 22 27 30 33 45 54 55 66 81 90 99 110 113 135 162 165 198 226 243 270 297 330 339 405 486 495 565 594 678 810 891 990 1017 1130 1215 1243 1485 1695 1782 2034 2430 2486 2673 2970 3051 3390 3729 4455 5085 5346 6102 6215 7458 8910 9153 10170 11187 12430 13365 15255 18306 18645 22374 26730 27459 30510 33561 37290 45765 54918 55935 67122 91530 100683 111870 137295 167805 201366 274590 302049 335610 503415 604098 1006830 1510245 3020490