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9780048 = 243322639
BaseRepresentation
bin100101010011…
…101101010000
3200101212201000
4211103231100
510000430143
6545342000
7146062155
oct45235520
920355630
109780048
11557a993
123337900
132045715
14142822c
15cd2bd3
hex953b50

9780048 has 40 divisors (see below), whose sum is σ = 28073600. Its totient is φ = 3259872.

The previous prime is 9780031. The next prime is 9780053. The reversal of 9780048 is 8400879.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 9779994 and 9780021.

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 7 ways as a sum of consecutive naturals, for example, 10888 + ... + 11751.

It is an arithmetic number, because the mean of its divisors is an integer number (701840).

Almost surely, 29780048 is an apocalyptic number.

It is an amenable number.

9780048 is an abundant number, since it is smaller than the sum of its proper divisors (18293552).

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

9780048 is a wasteful number, since it uses less digits than its factorization.

9780048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22656 (or 22644 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 36.

The square root of 9780048 is about 3127.3068285667. The cubic root of 9780048 is about 213.8521703002.

The spelling of 9780048 in words is "nine million, seven hundred eighty thousand, forty-eight".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 36 48 54 72 108 144 216 432 22639 45278 67917 90556 135834 181112 203751 271668 362224 407502 543336 611253 815004 1086672 1222506 1630008 2445012 3260016 4890024 9780048