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2126953 = 10312063
BaseRepresentation
bin1000000111010001101001
311000001122001
420013101221
51021030303
6113331001
724036013
oct10072151
94001561
102126953
111223014
12866a61
1359616a
143d51b3
152c031d
hex207469

2126953 has 4 divisors (see below), whose sum is σ = 2130048. Its totient is φ = 2123860.

The previous prime is 2126951. The next prime is 2126963. The reversal of 2126953 is 3596212.

2126953 is a nontrivial binomial coefficient, being equal to C(2063, 2).

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 2126953 - 21 = 2126951 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2126951) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1 + ... + 2062.

It is an arithmetic number, because the mean of its divisors is an integer number (532512).

22126953 is an apocalyptic number.

2126953 is the 2062-nd triangular number.

2126953 is the 688-th centered nonagonal number.

It is an amenable number.

2126953 is a deficient number, since it is larger than the sum of its proper divisors (3095).

2126953 is a wasteful number, since it uses less digits than its factorization.

2126953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3094.

The product of its digits is 3240, while the sum is 28.

The square root of 2126953 is about 1458.4076933423. The cubic root of 2126953 is about 128.6034534570.

The spelling of 2126953 in words is "two million, one hundred twenty-six thousand, nine hundred fifty-three".

Divisors: 1 1031 2063 2126953