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2138802 = 23356467
BaseRepresentation
bin1000001010001010110010
311000122212220
420022022302
51021420202
6113501510
724115401
oct10121262
94018786
102138802
111230a06
12871896
1359b683
143d9638
152c3abc
hex20a2b2

2138802 has 8 divisors (see below), whose sum is σ = 4277616. Its totient is φ = 712932.

The previous prime is 2138797. The next prime is 2138803. The reversal of 2138802 is 2088312.

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

2138802 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (2138803) 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, 178228 + ... + 178239.

It is an arithmetic number, because the mean of its divisors is an integer number (534702).

22138802 is an apocalyptic number.

2138802 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.

2138802 is a wasteful number, since it uses less digits than its factorization.

2138802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 356472.

The product of its (nonzero) digits is 768, while the sum is 24.

The square root of 2138802 is about 1462.4643585401. The cubic root of 2138802 is about 128.8418228314.

The spelling of 2138802 in words is "two million, one hundred thirty-eight thousand, eight hundred two".

Divisors: 1 2 3 6 356467 712934 1069401 2138802