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82969600 = 210527463
BaseRepresentation
bin1001111001000…
…00010000000000
312210010021220011
410330200100000
5132220011400
612122154304
72025141610
oct474402000
9183107804
1082969600
114291a31a
1223952994
131425cc4c
14b03aa40
15743d8ba
hex4f20400

82969600 has 132 divisors (see below), whose sum is σ = 235552384. Its totient is φ = 28385280.

The previous prime is 82969597. The next prime is 82969613. The reversal of 82969600 is 696928.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 178969 + ... + 179431.

Almost surely, 282969600 is an apocalyptic number.

82969600 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 82969600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (117776192).

82969600 is an abundant number, since it is smaller than the sum of its proper divisors (152582784).

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

82969600 is a wasteful number, since it uses less digits than its factorization.

82969600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 500 (or 477 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 40.

The square root of 82969600 is about 9108.7650095938. The cubic root of 82969600 is about 436.1538048397.

The spelling of 82969600 in words is "eighty-two million, nine hundred sixty-nine thousand, six hundred".

Divisors: 1 2 4 5 7 8 10 14 16 20 25 28 32 35 40 50 56 64 70 80 100 112 128 140 160 175 200 224 256 280 320 350 400 448 463 512 560 640 700 800 896 926 1024 1120 1280 1400 1600 1792 1852 2240 2315 2560 2800 3200 3241 3584 3704 4480 4630 5120 5600 6400 6482 7168 7408 8960 9260 11200 11575 12800 12964 14816 16205 17920 18520 22400 23150 25600 25928 29632 32410 35840 37040 44800 46300 51856 59264 64820 74080 81025 89600 92600 103712 118528 129640 148160 162050 179200 185200 207424 237056 259280 296320 324100 370400 414848 474112 518560 592640 648200 740800 829696 1037120 1185280 1296400 1481600 1659392 2074240 2370560 2592800 2963200 3318784 4148480 5185600 5926400 8296960 10371200 11852800 16593920 20742400 41484800 82969600