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82730232 = 2332133523
BaseRepresentation
bin1001110111001…
…01110011111000
312202200010112200
410323211303320
5132134331412
612113110200
72023124004
oct473456370
9182603480
1082730232
11427764a2
1223858360
13141a8000
14adb7704
1573e29dc
hex4ee5cf8

82730232 has 96 divisors (see below), whose sum is σ = 243188400. Its totient is φ = 25406784.

The previous prime is 82730203. The next prime is 82730257. The reversal of 82730232 is 23203728.

It is a junction number, because it is equal to n+sod(n) for n = 82730196 and 82730205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 157923 + ... + 158445.

Almost surely, 282730232 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 82730232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (121594200).

82730232 is an abundant number, since it is smaller than the sum of its proper divisors (160458168).

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

82730232 is a wasteful number, since it uses less digits than its factorization.

82730232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 574 (or 541 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 82730232 is about 9095.6160868849. The cubic root of 82730232 is about 435.7339650241.

The spelling of 82730232 in words is "eighty-two million, seven hundred thirty thousand, two hundred thirty-two".

Divisors: 1 2 3 4 6 8 9 12 13 18 24 26 36 39 52 72 78 104 117 156 169 234 312 338 468 507 523 676 936 1014 1046 1352 1521 1569 2028 2092 2197 3042 3138 4056 4184 4394 4707 6084 6276 6591 6799 8788 9414 12168 12552 13182 13598 17576 18828 19773 20397 26364 27196 37656 39546 40794 52728 54392 61191 79092 81588 88387 122382 158184 163176 176774 244764 265161 353548 489528 530322 707096 795483 1060644 1149031 1590966 2121288 2298062 3181932 3447093 4596124 6363864 6894186 9192248 10341279 13788372 20682558 27576744 41365116 82730232