Search a number
-
+
252015000 = 2335453317
BaseRepresentation
bin11110000010101…
…11000110011000
3122120012200120220
433001113012120
51004003440000
641001320040
76150043416
oct1701270630
9576180526
10252015000
1111a28a666
1270496020
1340299903
14256822b6
15171d11a0
hexf057198

252015000 has 160 divisors (see below), whose sum is σ = 804679920. Its totient is φ = 65728000.

The previous prime is 252014999. The next prime is 252015013. The reversal of 252015000 is 510252.

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

It is a congruent number.

It is an unprimeable number.

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 39 ways as a sum of consecutive naturals, for example, 794842 + ... + 795158.

Almost surely, 2252015000 is an apocalyptic number.

252015000 is a gapful number since it is divisible by the number (20) 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 252015000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (402339960).

252015000 is an abundant number, since it is smaller than the sum of its proper divisors (552664920).

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

252015000 is a wasteful number, since it uses less digits than its factorization.

252015000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 399 (or 380 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 15.

The square root of 252015000 is about 15874.9803149484. The cubic root of 252015000 is about 631.6484919765.

Adding to 252015000 its reverse (510252), we get a palindrome (252525252).

The spelling of 252015000 in words is "two hundred fifty-two million, fifteen thousand".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 25 30 40 50 53 60 75 100 106 120 125 150 159 200 212 250 265 300 317 318 375 424 500 530 600 625 634 636 750 795 951 1000 1060 1250 1268 1272 1325 1500 1585 1590 1875 1902 2120 2500 2536 2650 3000 3170 3180 3750 3804 3975 4755 5000 5300 6340 6360 6625 7500 7608 7925 7950 9510 10600 12680 13250 15000 15850 15900 16801 19020 19875 23775 26500 31700 31800 33125 33602 38040 39625 39750 47550 50403 53000 63400 66250 67204 79250 79500 84005 95100 99375 100806 118875 132500 134408 158500 159000 168010 190200 198125 198750 201612 237750 252015 265000 317000 336020 396250 397500 403224 420025 475500 504030 594375 672040 792500 795000 840050 951000 1008060 1188750 1260075 1585000 1680100 2016120 2100125 2377500 2520150 3360200 4200250 4755000 5040300 6300375 8400500 10080600 10500625 12600750 16801000 21001250 25201500 31501875 42002500 50403000 63003750 84005000 126007500 252015000