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4025240 = 235103977
BaseRepresentation
bin1111010110101110011000
321120111120222
433112232120
52012301430
6222135212
746133252
oct17265630
97514528
104025240
1122aa24a
121421508
13aac1cb
1476acd2
155479e5
hex3d6b98

4025240 has 32 divisors (see below), whose sum is σ = 9154080. Its totient is φ = 1592832.

The previous prime is 4025239. The next prime is 4025249. The reversal of 4025240 is 425204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4025249) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 3632 + ... + 4608.

It is an arithmetic number, because the mean of its divisors is an integer number (286065).

Almost surely, 24025240 is an apocalyptic number.

4025240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4025240 is an abundant number, since it is smaller than the sum of its proper divisors (5128840).

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

4025240 is a wasteful number, since it uses less digits than its factorization.

4025240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1091 (or 1087 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 17.

The square root of 4025240 is about 2006.3000772566. The cubic root of 4025240 is about 159.0732887350.

The spelling of 4025240 in words is "four million, twenty-five thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 20 40 103 206 412 515 824 977 1030 1954 2060 3908 4120 4885 7816 9770 19540 39080 100631 201262 402524 503155 805048 1006310 2012620 4025240