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2139753 = 371159157
BaseRepresentation
bin1000001010011001101001
311000201012010
420022121221
51021433003
6113510133
724121230
oct10123151
94021163
102139753
1112316a0
12872349
1359bc35
143d9b17
152c4003
hex20a669

2139753 has 32 divisors (see below), whose sum is σ = 3640320. Its totient is φ = 1085760.

The previous prime is 2139743. The next prime is 2139757. The reversal of 2139753 is 3579312.

It is not a de Polignac number, because 2139753 - 24 = 2139737 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2139753.

It is not an unprimeable number, because it can be changed into a prime (2139757) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13551 + ... + 13707.

It is an arithmetic number, because the mean of its divisors is an integer number (113760).

22139753 is an apocalyptic number.

It is an amenable number.

2139753 is a deficient number, since it is larger than the sum of its proper divisors (1500567).

2139753 is a wasteful number, since it uses less digits than its factorization.

2139753 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237.

The product of its digits is 5670, while the sum is 30.

The square root of 2139753 is about 1462.7894585346. The cubic root of 2139753 is about 128.8609161396.

The spelling of 2139753 in words is "two million, one hundred thirty-nine thousand, seven hundred fifty-three".

Divisors: 1 3 7 11 21 33 59 77 157 177 231 413 471 649 1099 1239 1727 1947 3297 4543 5181 9263 12089 13629 27789 36267 64841 101893 194523 305679 713251 2139753