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2140716 = 223178393
BaseRepresentation
bin1000001010101000101100
311000202111210
420022220230
51022000331
6113514420
724124104
oct10125054
94022453
102140716
111232396
12872a10
1359c4c6
143da204
152c4446
hex20aa2c

2140716 has 12 divisors (see below), whose sum is σ = 4995032. Its totient is φ = 713568.

The previous prime is 2140681. The next prime is 2140729. The reversal of 2140716 is 6170412.

It is a tau number, because it is divible by the number of its divisors (12).

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 2140692 and 2140701.

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, 89185 + ... + 89208.

22140716 is an apocalyptic number.

It is an amenable number.

2140716 is an abundant number, since it is smaller than the sum of its proper divisors (2854316).

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

2140716 is a wasteful number, since it uses less digits than its factorization.

2140716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178400 (or 178398 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 21.

The square root of 2140716 is about 1463.1185871282. The cubic root of 2140716 is about 128.8802446090.

The spelling of 2140716 in words is "two million, one hundred forty thousand, seven hundred sixteen".

Divisors: 1 2 3 4 6 12 178393 356786 535179 713572 1070358 2140716