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2140946 = 21762969
BaseRepresentation
bin1000001010101100010010
311000202211022
420022230102
51022002241
6113515442
724124553
oct10125422
94022738
102140946
111232585
12872b82
1359c642
143da32a
152c454b
hex20ab12

2140946 has 8 divisors (see below), whose sum is σ = 3400380. Its totient is φ = 1007488.

The previous prime is 2140937. The next prime is 2140967. The reversal of 2140946 is 6490412.

It can be written as a sum of positive squares in 2 ways, for example, as 2070721 + 70225 = 1439^2 + 265^2 .

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

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, 31451 + ... + 31518.

22140946 is an apocalyptic number.

2140946 is a deficient number, since it is larger than the sum of its proper divisors (1259434).

2140946 is a wasteful number, since it uses less digits than its factorization.

2140946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62988.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 2140946 is about 1463.1971842510. The cubic root of 2140946 is about 128.8848601044.

The spelling of 2140946 in words is "two million, one hundred forty thousand, nine hundred forty-six".

Divisors: 1 2 17 34 62969 125938 1070473 2140946