[go: up one dir, main page]

Search a number
-
+
80248532 = 227131131951
BaseRepresentation
bin1001100100001…
…11111011010100
312121000001021212
410302013323110
5131020423112
611544000552
71663046510
oct462077324
9177001255
1080248532
1141330a01
1222a60158
1313819550
14a92d140
1570a2522
hex4c87ed4

80248532 has 48 divisors (see below), whose sum is σ = 174461952. Its totient is φ = 31449600.

The previous prime is 80248499. The next prime is 80248537. The reversal of 80248532 is 23584208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80248537) 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, 40157 + ... + 42107.

It is an arithmetic number, because the mean of its divisors is an integer number (3634624).

Almost surely, 280248532 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 80248532, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87230976).

80248532 is an abundant number, since it is smaller than the sum of its proper divisors (94213420).

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

80248532 is a wasteful number, since it uses less digits than its factorization.

80248532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2088 (or 2086 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 32.

The square root of 80248532 is about 8958.1544974397. The cubic root of 80248532 is about 431.3326817033.

The spelling of 80248532 in words is "eighty million, two hundred forty-eight thousand, five hundred thirty-two".

Divisors: 1 2 4 7 13 14 26 28 52 91 113 182 226 364 452 791 1469 1582 1951 2938 3164 3902 5876 7804 10283 13657 20566 25363 27314 41132 50726 54628 101452 177541 220463 355082 440926 710164 881852 1543241 2866019 3086482 5732038 6172964 11464076 20062133 40124266 80248532