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1240494 = 23206749
BaseRepresentation
bin100101110110110101110
32100000122020
410232312232
5304143434
642331010
713354413
oct4566656
92300566
101240494
11778002
124b9a66
13345828
1424410a
15197849
hex12edae

1240494 has 8 divisors (see below), whose sum is σ = 2481000. Its totient is φ = 413496.

The previous prime is 1240487. The next prime is 1240511. The reversal of 1240494 is 4940421.

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

1240494 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 103369 + ... + 103380.

It is an arithmetic number, because the mean of its divisors is an integer number (310125).

21240494 is an apocalyptic number.

1240494 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.

1240494 is a wasteful number, since it uses less digits than its factorization.

1240494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206754.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 1240494 is about 1113.7746630266. The cubic root of 1240494 is about 107.4479719390.

The spelling of 1240494 in words is "one million, two hundred forty thousand, four hundred ninety-four".

Divisors: 1 2 3 6 206749 413498 620247 1240494