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230141250 = 234542273
BaseRepresentation
bin11011011011110…
…10110101000010
3121001001101110000
431231322311002
5432404010000
634500420430
75463111513
oct1555726502
9531041400
10230141250
111089aa589
12650a7716
13388ab671
14227caa0a
1515310000
hexdb7ad42

230141250 has 100 divisors (see below), whose sum is σ = 644685822. Its totient is φ = 61344000.

The previous prime is 230141237. The next prime is 230141267. The reversal of 230141250 is 52141032.

It can be written as a sum of positive squares in 5 ways, for example, as 24591681 + 205549569 = 4959^2 + 14337^2 .

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

It is an alternating number because its digits alternate between even and odd.

It is an unprimeable number.

It is a polite number, since it can be written in 49 ways as a sum of consecutive naturals, for example, 100114 + ... + 102386.

Almost surely, 2230141250 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 230141250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (322342911).

230141250 is an abundant number, since it is smaller than the sum of its proper divisors (414544572).

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

230141250 is an equidigital number, since it uses as much as digits as its factorization.

230141250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2307 (or 2283 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 230141250 is about 15170.4070479338. The cubic root of 230141250 is about 612.8179662402.

Adding to 230141250 its reverse (52141032), we get a palindrome (282282282).

The spelling of 230141250 in words is "two hundred thirty million, one hundred forty-one thousand, two hundred fifty".

Divisors: 1 2 3 5 6 9 10 15 18 25 27 30 45 50 54 75 81 90 125 135 150 162 225 250 270 375 405 450 625 675 750 810 1125 1250 1350 1875 2025 2250 2273 3375 3750 4050 4546 5625 6750 6819 10125 11250 11365 13638 16875 20250 20457 22730 33750 34095 40914 50625 56825 61371 68190 101250 102285 113650 122742 170475 184113 204570 284125 306855 340950 368226 511425 568250 613710 852375 920565 1022850 1420625 1534275 1704750 1841130 2557125 2841250 3068550 4261875 4602825 5114250 7671375 8523750 9205650 12785625 15342750 23014125 25571250 38356875 46028250 76713750 115070625 230141250