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12152250 = 2325311491
BaseRepresentation
bin101110010110…
…110110111010
3211212101202100
4232112312322
511102333000
61112244230
7205202205
oct56266672
924771670
1012152250
116950190
1240a0676
1326963a6
14188493c
151100a00
hexb96dba

12152250 has 96 divisors (see below), whose sum is σ = 35919936. Its totient is φ = 2940000.

The previous prime is 12152233. The next prime is 12152251. The reversal of 12152250 is 5225121.

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

It is not an unprimeable number, because it can be changed into a prime (12152251) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 24505 + ... + 24995.

It is an arithmetic number, because the mean of its divisors is an integer number (374166).

Almost surely, 212152250 is an apocalyptic number.

12152250 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 12152250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17959968).

12152250 is an abundant number, since it is smaller than the sum of its proper divisors (23767686).

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

12152250 is a wasteful number, since it uses less digits than its factorization.

12152250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 525 (or 512 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

The square root of 12152250 is about 3486.0077452582. The cubic root of 12152250 is about 229.9070197576.

Adding to 12152250 its reverse (5225121), we get a palindrome (17377371).

The spelling of 12152250 in words is "twelve million, one hundred fifty-two thousand, two hundred fifty".

Divisors: 1 2 3 5 6 9 10 11 15 18 22 25 30 33 45 50 55 66 75 90 99 110 125 150 165 198 225 250 275 330 375 450 491 495 550 750 825 982 990 1125 1375 1473 1650 2250 2455 2475 2750 2946 4125 4419 4910 4950 5401 7365 8250 8838 10802 12275 12375 14730 16203 22095 24550 24750 27005 32406 36825 44190 48609 54010 61375 73650 81015 97218 110475 122750 135025 162030 184125 220950 243045 270050 368250 405075 486090 552375 675125 810150 1104750 1215225 1350250 2025375 2430450 4050750 6076125 12152250