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4240785 = 352691051
BaseRepresentation
bin10000001011010110010001
321222110021010
4100023112101
52041201120
6230521133
751021543
oct20132621
97873233
104240785
11243718a
1215061a9
13b56353
147c5693
1558b7e0
hex40b591

4240785 has 16 divisors (see below), whose sum is σ = 6816960. Its totient is φ = 2251200.

The previous prime is 4240783. The next prime is 4240787. The reversal of 4240785 is 5870424.

It is an interprime number because it is at equal distance from previous prime (4240783) and next prime (4240787).

It is not a de Polignac number, because 4240785 - 21 = 4240783 is a prime.

4240785 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (4240783) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3510 + ... + 4560.

It is an arithmetic number, because the mean of its divisors is an integer number (426060).

Almost surely, 24240785 is an apocalyptic number.

It is an amenable number.

4240785 is a deficient number, since it is larger than the sum of its proper divisors (2576175).

4240785 is a wasteful number, since it uses less digits than its factorization.

4240785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1328.

The product of its (nonzero) digits is 8960, while the sum is 30.

The square root of 4240785 is about 2059.3166342260. The cubic root of 4240785 is about 161.8634346721.

The spelling of 4240785 in words is "four million, two hundred forty thousand, seven hundred eighty-five".

Divisors: 1 3 5 15 269 807 1051 1345 3153 4035 5255 15765 282719 848157 1413595 4240785