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1207142 = 2718501
BaseRepresentation
bin100100110101101100110
32021022212222
410212231212
5302112032
641512342
713155236
oct4465546
92238788
101207142
11754a42
124a26b2
133335b1
14235cc6
1518ca12
hex126b66

1207142 has 8 divisors (see below), whose sum is σ = 1836432. Its totient is φ = 595000.

The previous prime is 1207133. The next prime is 1207147. The reversal of 1207142 is 2417021.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1207142.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1207147) 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 3 ways as a sum of consecutive naturals, for example, 4109 + ... + 4392.

It is an arithmetic number, because the mean of its divisors is an integer number (229554).

21207142 is an apocalyptic number.

1207142 is a deficient number, since it is larger than the sum of its proper divisors (629290).

1207142 is an equidigital number, since it uses as much as digits as its factorization.

1207142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8574.

The product of its (nonzero) digits is 112, while the sum is 17.

The square root of 1207142 is about 1098.7001410758. The cubic root of 1207142 is about 106.4762597058.

The spelling of 1207142 in words is "one million, two hundred seven thousand, one hundred forty-two".

Divisors: 1 2 71 142 8501 17002 603571 1207142