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2075047 = 131931271
BaseRepresentation
bin111111010100110100111
310220102102121
413322212213
51012400142
6112250411
723431462
oct7724647
93812377
102075047
111198017
12840a07
13578650
143c02d9
152aec67
hex1fa9a7

2075047 has 16 divisors (see below), whose sum is σ = 2437120. Its totient is φ = 1749600.

The previous prime is 2075041. The next prime is 2075063. The reversal of 2075047 is 7405702.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2075047 is a prime.

It is a d-powerful number, because it can be written as 27 + 0 + 72 + 59 + 0 + 46 + 76 .

It is a Duffinian number.

2075047 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2075041) 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, 7522 + ... + 7792.

It is an arithmetic number, because the mean of its divisors is an integer number (152320).

22075047 is an apocalyptic number.

2075047 is a deficient number, since it is larger than the sum of its proper divisors (362073).

2075047 is a wasteful number, since it uses less digits than its factorization.

2075047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334.

The product of its (nonzero) digits is 1960, while the sum is 25.

The square root of 2075047 is about 1440.5023429346. The cubic root of 2075047 is about 127.5486831903.

The spelling of 2075047 in words is "two million, seventy-five thousand, forty-seven".

Divisors: 1 13 19 31 247 271 403 589 3523 5149 7657 8401 66937 109213 159619 2075047