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1252984 = 23156623
BaseRepresentation
bin100110001111001111000
32100122202211
410301321320
5310043414
642504504
713436005
oct4617170
92318684
101252984
11786427
12505134
1334b415
142488ac
1519b3c4
hex131e78

1252984 has 8 divisors (see below), whose sum is σ = 2349360. Its totient is φ = 626488.

The previous prime is 1252963. The next prime is 1252987. The reversal of 1252984 is 4892521.

It is a tau number, because it is divible by the number of its divisors (8).

It is a plaindrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1252987) 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 as a sum of consecutive naturals, namely, 78304 + ... + 78319.

It is an arithmetic number, because the mean of its divisors is an integer number (293670).

21252984 is an apocalyptic number.

It is an amenable number.

1252984 is a deficient number, since it is larger than the sum of its proper divisors (1096376).

1252984 is a wasteful number, since it uses less digits than its factorization.

1252984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156629 (or 156625 counting only the distinct ones).

The product of its digits is 5760, while the sum is 31.

The square root of 1252984 is about 1119.3676786472. The cubic root of 1252984 is about 107.8073841583.

The spelling of 1252984 in words is "one million, two hundred fifty-two thousand, nine hundred eighty-four".

Divisors: 1 2 4 8 156623 313246 626492 1252984