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1244742 = 23207457
BaseRepresentation
bin100101111111001000110
32100020110120
410233321012
5304312432
642402410
713402662
oct4577106
92306416
101244742
11780214
12500406
13347745
142458a2
15198c2c
hex12fe46

1244742 has 8 divisors (see below), whose sum is σ = 2489496. Its totient is φ = 414912.

The previous prime is 1244741. The next prime is 1244753. The reversal of 1244742 is 2474421.

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

1244742 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1244741) 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, 103723 + ... + 103734.

It is an arithmetic number, because the mean of its divisors is an integer number (311187).

21244742 is an apocalyptic number.

1244742 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.

1244742 is a wasteful number, since it uses less digits than its factorization.

1244742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207462.

The product of its digits is 1792, while the sum is 24.

The square root of 1244742 is about 1115.6800616664. The cubic root of 1244742 is about 107.5704819921.

The spelling of 1244742 in words is "one million, two hundred forty-four thousand, seven hundred forty-two".

Divisors: 1 2 3 6 207457 414914 622371 1244742