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2439045 = 33572989
BaseRepresentation
bin1001010011011110000101
311120220202000
421103132011
51111022140
6124135513
726505630
oct11233605
94526660
102439045
111416544
12997599
1367522b
14476c17
15332a30
hex253785

2439045 has 64 divisors (see below), whose sum is σ = 5184000. Its totient is φ = 1064448.

The previous prime is 2439043. The next prime is 2439061. The reversal of 2439045 is 5409342.

2439045 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2439045 - 21 = 2439043 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2439043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 27361 + ... + 27449.

It is an arithmetic number, because the mean of its divisors is an integer number (81000).

22439045 is an apocalyptic number.

It is an amenable number.

2439045 is an abundant number, since it is smaller than the sum of its proper divisors (2744955).

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

2439045 is a wasteful number, since it uses less digits than its factorization.

2439045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139 (or 133 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 2439045 is about 1561.7442172136. The cubic root of 2439045 is about 134.6087437017.

The spelling of 2439045 in words is "two million, four hundred thirty-nine thousand, forty-five".

Divisors: 1 3 5 7 9 15 21 27 29 35 45 63 87 89 105 135 145 189 203 261 267 315 435 445 609 623 783 801 945 1015 1305 1335 1827 1869 2403 2581 3045 3115 3915 4005 5481 5607 7743 9135 9345 12015 12905 16821 18067 23229 27405 28035 38715 54201 69687 84105 90335 116145 162603 271005 348435 487809 813015 2439045