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1250142 = 23239059
BaseRepresentation
bin100110001001101011110
32100111212120
410301031132
5310001032
642443410
713424505
oct4611536
92314776
101250142
11784283
12503566
1334a03a
1424783c
1519a62c
hex13135e

1250142 has 16 divisors (see below), whose sum is σ = 2609280. Its totient is φ = 398552.

The previous prime is 1250141. The next prime is 1250147. The reversal of 1250142 is 2410521.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1250141) 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, 4392 + ... + 4667.

It is an arithmetic number, because the mean of its divisors is an integer number (163080).

21250142 is an apocalyptic number.

1250142 is an abundant number, since it is smaller than the sum of its proper divisors (1359138).

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

1250142 is a wasteful number, since it uses less digits than its factorization.

1250142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9087.

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 1250142 is about 1118.0974912770. The cubic root of 1250142 is about 107.7258134102.

Adding to 1250142 its reverse (2410521), we get a palindrome (3660663).

The spelling of 1250142 in words is "one million, two hundred fifty thousand, one hundred forty-two".

Divisors: 1 2 3 6 23 46 69 138 9059 18118 27177 54354 208357 416714 625071 1250142