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988989342 = 231131483377
BaseRepresentation
bin111010111100101…
…100011110011110
32112220221212022220
4322330230132132
54011140124332
6242045250210
733336161565
oct7274543636
92486855286
10988989342
11468293370
12237263966
13129b835c3
14954c2bdc
155bc58d2c
hex3af2c79e

988989342 has 32 divisors (see below), whose sum is σ = 2227405824. Its totient is φ = 290025600.

The previous prime is 988989289. The next prime is 988989361. The reversal of 988989342 is 243989889.

It is a happy number.

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 15 ways as a sum of consecutive naturals, for example, 239643 + ... + 243734.

It is an arithmetic number, because the mean of its divisors is an integer number (69606432).

Almost surely, 2988989342 is an apocalyptic number.

988989342 is an abundant number, since it is smaller than the sum of its proper divisors (1238416482).

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

988989342 is a wasteful number, since it uses less digits than its factorization.

988989342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 483424.

The product of its digits is 8957952, while the sum is 60.

The square root of 988989342 is about 31448.2009342347. The cubic root of 988989342 is about 996.3162271474.

The spelling of 988989342 in words is "nine hundred eighty-eight million, nine hundred eighty-nine thousand, three hundred forty-two".

Divisors: 1 2 3 6 11 22 31 33 62 66 93 186 341 682 1023 2046 483377 966754 1450131 2900262 5317147 10634294 14984687 15951441 29969374 31902882 44954061 89908122 164831557 329663114 494494671 988989342