Search a number
-
+
80260544 = 2671313781
BaseRepresentation
bin1001100100010…
…10110111000000
312121000122202202
410302022313000
5131021314134
611544132332
71663126520
oct462126700
9177018682
1080260544
1141339a31
1222a670a8
1313821b60
14a933680
1570a5d7e
hex4c8adc0

80260544 has 56 divisors (see below), whose sum is σ = 196035168. Its totient is φ = 31749120.

The previous prime is 80260529. The next prime is 80260589. The reversal of 80260544 is 44506208.

It is a tau number, because it is divible by the number of its divisors (56).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1067 + ... + 12714.

It is an arithmetic number, because the mean of its divisors is an integer number (3500628).

Almost surely, 280260544 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 80260544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (98017584).

80260544 is an abundant number, since it is smaller than the sum of its proper divisors (115774624).

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

80260544 is a wasteful number, since it uses less digits than its factorization.

80260544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13813 (or 13803 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 29.

The square root of 80260544 is about 8958.8249229461. The cubic root of 80260544 is about 431.3542019710.

The spelling of 80260544 in words is "eighty million, two hundred sixty thousand, five hundred forty-four".

Divisors: 1 2 4 7 8 13 14 16 26 28 32 52 56 64 91 104 112 182 208 224 364 416 448 728 832 1456 2912 5824 13781 27562 55124 96467 110248 179153 192934 220496 358306 385868 440992 716612 771736 881984 1254071 1433224 1543472 2508142 2866448 3086944 5016284 5732896 6173888 10032568 11465792 20065136 40130272 80260544