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2142834 = 23357139
BaseRepresentation
bin1000001011001001110010
311000212102020
420023021302
51022032314
6113532310
724133221
oct10131162
94025366
102142834
111233a41
12874096
135a0465
143dacb8
152c4da9
hex20b272

2142834 has 8 divisors (see below), whose sum is σ = 4285680. Its totient is φ = 714276.

The previous prime is 2142823. The next prime is 2142857. The reversal of 2142834 is 4382412.

It is a sphenic number, since it is the product of 3 distinct primes.

2142834 is an admirable number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 178564 + ... + 178575.

It is an arithmetic number, because the mean of its divisors is an integer number (535710).

22142834 is an apocalyptic number.

2142834 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2142834 is a wasteful number, since it uses less digits than its factorization.

2142834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357144.

The product of its digits is 1536, while the sum is 24.

The square root of 2142834 is about 1463.8422046109. The cubic root of 2142834 is about 128.9227348137.

The spelling of 2142834 in words is "two million, one hundred forty-two thousand, eight hundred thirty-four".

Divisors: 1 2 3 6 357139 714278 1071417 2142834