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1242703 = 71116139
BaseRepresentation
bin100101111011001001111
32100010200001
410233121033
5304231303
642345131
713364020
oct4573117
92303601
101242703
11779730
124bb1a7
13346837
14244c47
1519831d
hex12f64f

1242703 has 8 divisors (see below), whose sum is σ = 1549440. Its totient is φ = 968280.

The previous prime is 1242643. The next prime is 1242739. The reversal of 1242703 is 3072421.

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

It is a cyclic number.

It is not a de Polignac number, because 1242703 - 29 = 1242191 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1242763) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 7993 + ... + 8146.

It is an arithmetic number, because the mean of its divisors is an integer number (193680).

21242703 is an apocalyptic number.

1242703 is a deficient number, since it is larger than the sum of its proper divisors (306737).

1242703 is a wasteful number, since it uses less digits than its factorization.

1242703 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16157.

The product of its (nonzero) digits is 336, while the sum is 19.

The square root of 1242703 is about 1114.7658947061. The cubic root of 1242703 is about 107.5117131639.

The spelling of 1242703 in words is "one million, two hundred forty-two thousand, seven hundred three".

Divisors: 1 7 11 77 16139 112973 177529 1242703