Search a number
-
+
252545000 = 235453953
BaseRepresentation
bin11110000110110…
…00011111101000
3122121012121121112
433003120133220
51004122420000
641020525452
76154411541
oct1703303750
9577177545
10252545000
1111a611884
12706b0888
1340423c16
142577d4c8
1517288235
hexf0d87e8

252545000 has 80 divisors (see below), whose sum is σ = 603509940. Its totient is φ = 99008000.

The previous prime is 252544993. The next prime is 252545009. The reversal of 252545000 is 545252.

It can be written as a sum of positive squares in 10 ways, for example, as 11115556 + 241429444 = 3334^2 + 15538^2 .

It is not an unprimeable number, because it can be changed into a prime (252545009) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 264524 + ... + 265476.

Almost surely, 2252545000 is an apocalyptic number.

252545000 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 252545000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (301754970).

252545000 is an abundant number, since it is smaller than the sum of its proper divisors (350964940).

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

252545000 is an equidigital number, since it uses as much as digits as its factorization.

252545000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1032 (or 1013 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 23.

The square root of 252545000 is about 15891.6644817338. The cubic root of 252545000 is about 632.0909779300.

The spelling of 252545000 in words is "two hundred fifty-two million, five hundred forty-five thousand".

Divisors: 1 2 4 5 8 10 20 25 40 50 53 100 106 125 200 212 250 265 424 500 530 625 953 1000 1060 1250 1325 1906 2120 2500 2650 3812 4765 5000 5300 6625 7624 9530 10600 13250 19060 23825 26500 33125 38120 47650 50509 53000 66250 95300 101018 119125 132500 190600 202036 238250 252545 265000 404072 476500 505090 595625 953000 1010180 1191250 1262725 2020360 2382500 2525450 4765000 5050900 6313625 10101800 12627250 25254500 31568125 50509000 63136250 126272500 252545000