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3145230 = 234511353
BaseRepresentation
bin1011111111111000001110
312220210110000
423333320032
51301121410
6151225130
735506524
oct13777016
95823400
103145230
111859070
1210781a6
138617aa
145bc314
15421dc0
hex2ffe0e

3145230 has 80 divisors (see below), whose sum is σ = 9252144. Its totient is φ = 760320.

The previous prime is 3145223. The next prime is 3145243. The reversal of 3145230 is 325413.

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

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 8734 + ... + 9086.

Almost surely, 23145230 is an apocalyptic number.

3145230 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 3145230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4626072).

3145230 is an abundant number, since it is smaller than the sum of its proper divisors (6106914).

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

3145230 is a wasteful number, since it uses less digits than its factorization.

3145230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 383 (or 374 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 3145230 is about 1773.4796305568. The cubic root of 3145230 is about 146.5156906008.

It can be divided in two parts, 3145 and 230, that added together give a cube (3375 = 153).

The spelling of 3145230 in words is "three million, one hundred forty-five thousand, two hundred thirty".

Divisors: 1 2 3 5 6 9 10 11 15 18 22 27 30 33 45 54 55 66 81 90 99 110 135 162 165 198 270 297 330 353 405 495 594 706 810 891 990 1059 1485 1765 1782 2118 2970 3177 3530 3883 4455 5295 6354 7766 8910 9531 10590 11649 15885 19062 19415 23298 28593 31770 34947 38830 47655 57186 58245 69894 95310 104841 116490 142965 174735 209682 285930 314523 349470 524205 629046 1048410 1572615 3145230