Search a number
-
+
82769232 = 24372132707
BaseRepresentation
bin1001110111011…
…11010101010000
312202202010001010
410323233111100
5132142103412
612114010520
72023345500
oct473572520
9182663033
1082769232
11427a2827
1223876a40
13141bc9a0
14adc7a00
1573ee33c
hex4eef550

82769232 has 120 divisors (see below), whose sum is σ = 267962016. Its totient is φ = 21821184.

The previous prime is 82769231. The next prime is 82769233. The reversal of 82769232 is 23296728.

It is an interprime number because it is at equal distance from previous prime (82769231) and next prime (82769233).

It is a super-3 number, since 3×827692323 (a number of 25 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82769231) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 29223 + ... + 31929.

Almost surely, 282769232 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 82769232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (133981008).

82769232 is an abundant number, since it is smaller than the sum of its proper divisors (185192784).

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

82769232 is a wasteful number, since it uses less digits than its factorization.

82769232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2745 (or 2732 counting only the distinct ones).

The product of its digits is 72576, while the sum is 39.

The square root of 82769232 is about 9097.7597242398. The cubic root of 82769232 is about 435.8024242986.

The spelling of 82769232 in words is "eighty-two million, seven hundred sixty-nine thousand, two hundred thirty-two".

Divisors: 1 2 3 4 6 7 8 12 13 14 16 21 24 26 28 39 42 48 49 52 56 78 84 91 98 104 112 147 156 168 182 196 208 273 294 312 336 364 392 546 588 624 637 728 784 1092 1176 1274 1456 1911 2184 2352 2548 2707 3822 4368 5096 5414 7644 8121 10192 10828 15288 16242 18949 21656 30576 32484 35191 37898 43312 56847 64968 70382 75796 105573 113694 129936 132643 140764 151592 211146 227388 246337 265286 281528 303184 397929 422292 454776 492674 530572 563056 739011 795858 844584 909552 985348 1061144 1478022 1591716 1689168 1724359 1970696 2122288 2956044 3183432 3448718 3941392 5173077 5912088 6366864 6897436 10346154 11824176 13794872 20692308 27589744 41384616 82769232