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9988472 = 231396043
BaseRepresentation
bin100110000110…
…100101111000
3200210110121102
4212012211320
510024112342
6554030532
7150620624
oct46064570
920713542
109988472
11570253a
123418448
1320b9550
141480184
15d24832
hex986978

9988472 has 16 divisors (see below), whose sum is σ = 20169240. Its totient is φ = 4610016.

The previous prime is 9988453. The next prime is 9988481. The reversal of 9988472 is 2748899.

It is a congruent number.

It is an unprimeable number.

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, 47918 + ... + 48125.

Almost surely, 29988472 is an apocalyptic number.

It is an amenable number.

9988472 is an abundant number, since it is smaller than the sum of its proper divisors (10180768).

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

9988472 is a wasteful number, since it uses less digits than its factorization.

9988472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96062 (or 96058 counting only the distinct ones).

The product of its digits is 290304, while the sum is 47.

The square root of 9988472 is about 3160.4543977093. The cubic root of 9988472 is about 215.3606494265.

The spelling of 9988472 in words is "nine million, nine hundred eighty-eight thousand, four hundred seventy-two".

Divisors: 1 2 4 8 13 26 52 104 96043 192086 384172 768344 1248559 2497118 4994236 9988472