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987456252 = 22382288021
BaseRepresentation
bin111010110110110…
…110001011111100
32112211001222022210
4322312312023330
54010242100002
6241552340420
733320145126
oct7266661374
92484058283
10987456252
11467436552
12236844710
13129767853
1495204216
155ba5496c
hex3adb62fc

987456252 has 12 divisors (see below), whose sum is σ = 2304064616. Its totient is φ = 329152080.

The previous prime is 987456247. The next prime is 987456269. The reversal of 987456252 is 252654789.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×9874562522 = 1950139699227775008, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41143999 + ... + 41144022.

Almost surely, 2987456252 is an apocalyptic number.

It is an amenable number.

987456252 is an abundant number, since it is smaller than the sum of its proper divisors (1316608364).

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

987456252 is a wasteful number, since it uses less digits than its factorization.

987456252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82288028 (or 82288026 counting only the distinct ones).

The product of its digits is 1209600, while the sum is 48.

The square root of 987456252 is about 31423.8166364304. The cubic root of 987456252 is about 995.8011449588.

The spelling of 987456252 in words is "nine hundred eighty-seven million, four hundred fifty-six thousand, two hundred fifty-two".

Divisors: 1 2 3 4 6 12 82288021 164576042 246864063 329152084 493728126 987456252