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4025250 = 232531789
BaseRepresentation
bin1111010110101110100010
321120111121100
433112232202
52012302000
6222135230
746133265
oct17265642
97514540
104025250
1122aa259
121421516
13aac208
1476acdc
15547a00
hex3d6ba2

4025250 has 48 divisors (see below), whose sum is σ = 10890360. Its totient is φ = 1072800.

The previous prime is 4025249. The next prime is 4025269. The reversal of 4025250 is 525204.

It can be written as a sum of positive squares in 4 ways, for example, as 2259009 + 1766241 = 1503^2 + 1329^2 .

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

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 23 ways as a sum of consecutive naturals, for example, 1356 + ... + 3144.

Almost surely, 24025250 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4025250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5445180).

4025250 is an abundant number, since it is smaller than the sum of its proper divisors (6865110).

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

4025250 is a wasteful number, since it uses less digits than its factorization.

4025250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1812 (or 1799 counting only the distinct ones).

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

The square root of 4025250 is about 2006.3025694047. The cubic root of 4025250 is about 159.0734204647.

The spelling of 4025250 in words is "four million, twenty-five thousand, two hundred fifty".

Divisors: 1 2 3 5 6 9 10 15 18 25 30 45 50 75 90 125 150 225 250 375 450 750 1125 1789 2250 3578 5367 8945 10734 16101 17890 26835 32202 44725 53670 80505 89450 134175 161010 223625 268350 402525 447250 670875 805050 1341750 2012625 4025250