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2125814 = 21062907
BaseRepresentation
bin1000000110111111110110
311000000001212
420012333312
51021011224
6113321422
724032465
oct10067766
94000055
102125814
111222179
12866272
135957a2
143d49dc
152bed0e
hex206ff6

2125814 has 4 divisors (see below), whose sum is σ = 3188724. Its totient is φ = 1062906.

The previous prime is 2125813. The next prime is 2125819. The reversal of 2125814 is 4185212.

It is a semiprime because it is the product of two primes.

It is an alternating number because its digits alternate between even and odd.

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 2125814.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2125813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 531452 + ... + 531455.

It is an arithmetic number, because the mean of its divisors is an integer number (797181).

22125814 is an apocalyptic number.

2125814 is a deficient number, since it is larger than the sum of its proper divisors (1062910).

2125814 is a wasteful number, since it uses less digits than its factorization.

2125814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1062909.

The product of its digits is 640, while the sum is 23.

The square root of 2125814 is about 1458.0171466756. The cubic root of 2125814 is about 128.5804933056.

The spelling of 2125814 in words is "two million, one hundred twenty-five thousand, eight hundred fourteen".

Divisors: 1 2 1062907 2125814