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82030000 = 245413631
BaseRepresentation
bin1001110001110…
…10110110110000
312201100120000011
410320322312300
5131444430000
612050104304
72014146343
oct470726660
9181316004
1082030000
1142338398
122357b094
1313cc1380
14ac7445a
1573052ba
hex4e3adb0

82030000 has 100 divisors (see below), whose sum is σ = 214218928. Its totient is φ = 30240000.

The previous prime is 82029953. The next prime is 82030037. The reversal of 82030000 is 3028.

It is a tau number, because it is divible by the number of its divisors (100).

It is a Harshad number since it is a multiple of its sum of digits (13).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 129685 + ... + 130315.

Almost surely, 282030000 is an apocalyptic number.

82030000 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 82030000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (107109464).

82030000 is an abundant number, since it is smaller than the sum of its proper divisors (132188928).

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

82030000 is a wasteful number, since it uses less digits than its factorization.

82030000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 672 (or 651 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 82030000 is about 9057.0414595496. The cubic root of 82030000 is about 434.5011235986.

Adding to 82030000 its reverse (3028), we get a palindrome (82033028).

The spelling of 82030000 in words is "eighty-two million, thirty thousand".

Divisors: 1 2 4 5 8 10 13 16 20 25 26 40 50 52 65 80 100 104 125 130 200 208 250 260 325 400 500 520 625 631 650 1000 1040 1250 1262 1300 1625 2000 2500 2524 2600 3155 3250 5000 5048 5200 6310 6500 8125 8203 10000 10096 12620 13000 15775 16250 16406 25240 26000 31550 32500 32812 41015 50480 63100 65000 65624 78875 82030 126200 130000 131248 157750 164060 205075 252400 315500 328120 394375 410150 631000 656240 788750 820300 1025375 1262000 1577500 1640600 2050750 3155000 3281200 4101500 5126875 6310000 8203000 10253750 16406000 20507500 41015000 82030000