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3060240 = 243541311
BaseRepresentation
bin1011101011001000010000
312202110212020
423223020100
51240411430
6145331440
735003661
oct13531020
95673766
103060240
111800227
121036b80
13831bc1
14599368
15406b10
hex2eb210

3060240 has 80 divisors (see below), whose sum is σ = 9749376. Its totient is φ = 793600.

The previous prime is 3060209. The next prime is 3060241. The reversal of 3060240 is 420603.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (3060241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9685 + ... + 9995.

Almost surely, 23060240 is an apocalyptic number.

3060240 is a gapful number since it is divisible by the number (30) 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 3060240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4874688).

3060240 is an abundant number, since it is smaller than the sum of its proper divisors (6689136).

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

3060240 is a wasteful number, since it uses less digits than its factorization.

3060240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 368 (or 362 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 3060240 is about 1749.3541665426. The cubic root of 3060240 is about 145.1839124919.

Adding to 3060240 its reverse (420603), we get a palindrome (3480843).

The spelling of 3060240 in words is "three million, sixty thousand, two hundred forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 40 41 48 60 80 82 120 123 164 205 240 246 311 328 410 492 615 622 656 820 933 984 1230 1244 1555 1640 1866 1968 2460 2488 3110 3280 3732 4665 4920 4976 6220 7464 9330 9840 12440 12751 14928 18660 24880 25502 37320 38253 51004 63755 74640 76506 102008 127510 153012 191265 204016 255020 306024 382530 510040 612048 765060 1020080 1530120 3060240