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425250 = 235537
BaseRepresentation
bin1100111110100100010
3210121100000
41213310202
5102102000
613040430
73420540
oct1476442
9717300
10425250
11270551
12186116
1311b737
14b0d90
1586000
hex67d22

425250 has 96 divisors (see below), whose sum is σ = 1362816. Its totient is φ = 97200.

The previous prime is 425237. The next prime is 425251. The reversal of 425250 is 52524.

Adding to 425250 its reverse (52524), we get a palindrome (477774).

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

It is a d-powerful number, because it can be written as 47 + 217 + 218 + 52 + 56 + 0 .

It is a nialpdrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425251) by changing a digit.

425250 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 60747 + ... + 60753.

It is an arithmetic number, because the mean of its divisors is an integer number (14196).

2425250 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 425250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (681408).

425250 is an abundant number, since it is smaller than the sum of its proper divisors (937566).

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

425250 is an equidigital number, since it uses as much as digits as its factorization.

425250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39 (or 17 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 18.

The square root of 425250 is about 652.1119535785. Note that the first 3 decimals coincide. The cubic root of 425250 is about 75.1994690245.

The spelling of 425250 in words is "four hundred twenty-five thousand, two hundred fifty".

Divisors: 1 2 3 5 6 7 9 10 14 15 18 21 25 27 30 35 42 45 50 54 63 70 75 81 90 105 125 126 135 150 162 175 189 210 225 243 250 270 315 350 375 378 405 450 486 525 567 630 675 750 810 875 945 1050 1125 1134 1215 1350 1575 1701 1750 1890 2025 2250 2430 2625 2835 3150 3375 3402 4050 4725 5250 5670 6075 6750 7875 8505 9450 10125 12150 14175 15750 17010 20250 23625 28350 30375 42525 47250 60750 70875 85050 141750 212625 425250