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82948788 = 2232134212
BaseRepresentation
bin1001111000110…
…11001010110100
312210002020100100
410330123022310
5132213330123
612121514100
72025024126
oct474331264
9183066310
1082948788
114290571a
1223942930
1314253630
14b033216
157437643
hex4f1b2b4

82948788 has 54 divisors (see below), whose sum is σ = 226342662. Its totient is φ = 25462080.

The previous prime is 82948769. The next prime is 82948799. The reversal of 82948788 is 88784928.

82948788 is a `hidden beast` number, since 82 + 9 + 487 + 88 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 20412324 + 62536464 = 4518^2 + 7908^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 196818 + ... + 197238.

Almost surely, 282948788 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 82948788, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (113171331).

82948788 is an abundant number, since it is smaller than the sum of its proper divisors (143393874).

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

82948788 is a wasteful number, since it uses less digits than its factorization.

82948788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 865 (or 439 counting only the distinct ones).

The product of its digits is 2064384, while the sum is 54.

The square root of 82948788 is about 9107.6225218220. The cubic root of 82948788 is about 436.1173336821.

The spelling of 82948788 in words is "eighty-two million, nine hundred forty-eight thousand, seven hundred eighty-eight".

Divisors: 1 2 3 4 6 9 12 13 18 26 36 39 52 78 117 156 234 421 468 842 1263 1684 2526 3789 5052 5473 7578 10946 15156 16419 21892 32838 49257 65676 98514 177241 197028 354482 531723 708964 1063446 1595169 2126892 2304133 3190338 4608266 6380676 6912399 9216532 13824798 20737197 27649596 41474394 82948788