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1242948 = 223714797
BaseRepresentation
bin100101111011101000100
32100011000010
410233131010
5304233243
642350220
713364520
oct4573504
92304003
101242948
11779933
124bb370
13346995
14244d80
15198433
hex12f744

1242948 has 24 divisors (see below), whose sum is σ = 3314752. Its totient is φ = 355104.

The previous prime is 1242947. The next prime is 1242959. The reversal of 1242948 is 8492421.

It is a zygodrome in base 11.

It is not an unprimeable number, because it can be changed into a prime (1242947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7315 + ... + 7482.

21242948 is an apocalyptic number.

It is an amenable number.

1242948 is an abundant number, since it is smaller than the sum of its proper divisors (2071804).

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

1242948 is a wasteful number, since it uses less digits than its factorization.

1242948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14811 (or 14809 counting only the distinct ones).

The product of its digits is 4608, while the sum is 30.

The square root of 1242948 is about 1114.8757778336. The cubic root of 1242948 is about 107.5187780429.

The spelling of 1242948 in words is "one million, two hundred forty-two thousand, nine hundred forty-eight".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 14797 29594 44391 59188 88782 103579 177564 207158 310737 414316 621474 1242948