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2139614 = 21069807
BaseRepresentation
bin1000001010010111011110
311000200222222
420022113132
51021431424
6113505342
724120641
oct10122736
94020888
102139614
111231584
12872252
1359bb59
143d9a58
152c3e5e
hex20a5de

2139614 has 4 divisors (see below), whose sum is σ = 3209424. Its totient is φ = 1069806.

The previous prime is 2139611. The next prime is 2139653. The reversal of 2139614 is 4169312.

2139614 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2139611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 534902 + ... + 534905.

It is an arithmetic number, because the mean of its divisors is an integer number (802356).

22139614 is an apocalyptic number.

2139614 is a deficient number, since it is larger than the sum of its proper divisors (1069810).

2139614 is a wasteful number, since it uses less digits than its factorization.

2139614 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1069809.

The product of its digits is 1296, while the sum is 26.

The square root of 2139614 is about 1462.7419457991. The cubic root of 2139614 is about 128.8581257778.

The spelling of 2139614 in words is "two million, one hundred thirty-nine thousand, six hundred fourteen".

Divisors: 1 2 1069807 2139614