Search a number
-
+
151115250 = 235311131409
BaseRepresentation
bin10010000000111…
…01010111110010
3101112100110011010
421000131113302
5302141142000
622554531350
73513313146
oct1100352762
9345313133
10151115250
1178334140
1242736b56
13253cc710
14160d9226
15d3eed50
hex901d5f2

151115250 has 128 divisors (see below), whose sum is σ = 443439360. Its totient is φ = 33792000.

The previous prime is 151115249. The next prime is 151115257. The reversal of 151115250 is 52511151.

It is not an unprimeable number, because it can be changed into a prime (151115257) 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 63 ways as a sum of consecutive naturals, for example, 106546 + ... + 107954.

It is an arithmetic number, because the mean of its divisors is an integer number (3464370).

Almost surely, 2151115250 is an apocalyptic number.

151115250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 151115250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (221719680).

151115250 is an abundant number, since it is smaller than the sum of its proper divisors (292324110).

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

151115250 is a wasteful number, since it uses less digits than its factorization.

151115250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1453 (or 1443 counting only the distinct ones).

The product of its (nonzero) digits is 250, while the sum is 21.

The square root of 151115250 is about 12292.8942889785. The cubic root of 151115250 is about 532.6428455851.

It can be divided in two parts, 1511 and 15250, that added together give a palindrome (16761).

The spelling of 151115250 in words is "one hundred fifty-one million, one hundred fifteen thousand, two hundred fifty".

Divisors: 1 2 3 5 6 10 11 13 15 22 25 26 30 33 39 50 55 65 66 75 78 110 125 130 143 150 165 195 250 275 286 325 330 375 390 429 550 650 715 750 825 858 975 1375 1409 1430 1625 1650 1950 2145 2750 2818 3250 3575 4125 4227 4290 4875 7045 7150 8250 8454 9750 10725 14090 15499 17875 18317 21135 21450 30998 35225 35750 36634 42270 46497 53625 54951 70450 77495 91585 92994 105675 107250 109902 154990 176125 183170 201487 211350 232485 274755 352250 387475 402974 457925 464970 528375 549510 604461 774950 915850 1007435 1056750 1162425 1208922 1373775 1937375 2014870 2289625 2324850 2747550 3022305 3874750 4579250 5037175 5812125 6044610 6868875 10074350 11624250 13737750 15111525 25185875 30223050 50371750 75557625 151115250