Search a number
-
+
80662068 = 22341913103
BaseRepresentation
bin1001100111011…
…00111000110100
312121210001120000
410303230320310
5131122141233
612000511300
71666421244
oct463547064
9177701500
1080662068
1141593673
122301b530
1313932846
14a9d9b24
157134d13
hex4cece34

80662068 has 60 divisors (see below), whose sum is σ = 221981760. Its totient is φ = 25470288.

The previous prime is 80662051. The next prime is 80662073. The reversal of 80662068 is 86026608.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 396 + ... + 12707.

It is an arithmetic number, because the mean of its divisors is an integer number (3699696).

Almost surely, 280662068 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 80662068, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (110990880).

80662068 is an abundant number, since it is smaller than the sum of its proper divisors (141319692).

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

80662068 is a wasteful number, since it uses less digits than its factorization.

80662068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13138 (or 13127 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 80662068 is about 8981.2063777646. The cubic root of 80662068 is about 432.0723258534.

The spelling of 80662068 in words is "eighty million, six hundred sixty-two thousand, sixty-eight".

Divisors: 1 2 3 4 6 9 12 18 19 27 36 38 54 57 76 81 108 114 162 171 228 324 342 513 684 1026 1539 2052 3078 6156 13103 26206 39309 52412 78618 117927 157236 235854 248957 353781 471708 497914 707562 746871 995828 1061343 1415124 1493742 2122686 2240613 2987484 4245372 4481226 6721839 8962452 13443678 20165517 26887356 40331034 80662068