Search a number
-
+
80257532 = 2220064383
BaseRepresentation
bin1001100100010…
…10000111111100
312121000111122012
410302022013330
5131021220112
611544110352
71663114655
oct462120774
9177014565
1080257532
1141337743
1222a653b8
1313820684
14a93252c
1570a5022
hex4c8a1fc

80257532 has 6 divisors (see below), whose sum is σ = 140450688. Its totient is φ = 40128764.

The previous prime is 80257519. The next prime is 80257537. The reversal of 80257532 is 23575208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80257537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10032188 + ... + 10032195.

It is an arithmetic number, because the mean of its divisors is an integer number (23408448).

Almost surely, 280257532 is an apocalyptic number.

It is an amenable number.

80257532 is a deficient number, since it is larger than the sum of its proper divisors (60193156).

80257532 is a wasteful number, since it uses less digits than its factorization.

80257532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20064387 (or 20064385 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 32.

The square root of 80257532 is about 8958.6568189657. The cubic root of 80257532 is about 431.3488059817.

The spelling of 80257532 in words is "eighty million, two hundred fifty-seven thousand, five hundred thirty-two".

Divisors: 1 2 4 20064383 40128766 80257532