Search a number
-
+
82127424 = 2631947479
BaseRepresentation
bin1001110010100…
…10101001000000
312201112111122110
410321102221000
5132011034144
612052135320
72015033361
oct471225100
9181474573
1082127424
11423a4605
1223607540
1314026812
14ac9bb68
1573240b9
hex4e52a40

82127424 has 112 divisors (see below), whose sum is σ = 234086400. Its totient is φ = 25330176.

The previous prime is 82127407. The next prime is 82127429. The reversal of 82127424 is 42472128.

It is a junction number, because it is equal to n+sod(n) for n = 82127391 and 82127400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82127429) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 171217 + ... + 171695.

Almost surely, 282127424 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 82127424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (117043200).

82127424 is an abundant number, since it is smaller than the sum of its proper divisors (151958976).

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

82127424 is a wasteful number, since it uses less digits than its factorization.

82127424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 560 (or 550 counting only the distinct ones).

The product of its digits is 7168, while the sum is 30.

The square root of 82127424 is about 9062.4182203207. The cubic root of 82127424 is about 434.6730691886.

The spelling of 82127424 in words is "eighty-two million, one hundred twenty-seven thousand, four hundred twenty-four".

Divisors: 1 2 3 4 6 8 12 16 19 24 32 38 47 48 57 64 76 94 96 114 141 152 188 192 228 282 304 376 456 479 564 608 752 893 912 958 1128 1216 1437 1504 1786 1824 1916 2256 2679 2874 3008 3572 3648 3832 4512 5358 5748 7144 7664 9024 9101 10716 11496 14288 15328 18202 21432 22513 22992 27303 28576 30656 36404 42864 45026 45984 54606 57152 67539 72808 85728 90052 91968 109212 135078 145616 171456 180104 218424 270156 291232 360208 427747 436848 540312 582464 720416 855494 873696 1080624 1283241 1440832 1710988 1747392 2161248 2566482 3421976 4322496 5132964 6843952 10265928 13687904 20531856 27375808 41063712 82127424