Search a number
-
+
69006080 = 2851113229
BaseRepresentation
bin1000001110011…
…11001100000000
311210211212112202
410013033030000
5120131143310
610503012332
71465353623
oct407171400
9153755482
1069006080
1135a52320
121b13a0a8
13113b1300
149243dba
1560d13a5
hex41cf300

69006080 has 216 divisors, whose sum is σ = 201988080. Its totient is φ = 22364160.

The previous prime is 69006079. The next prime is 69006083. The reversal of 69006080 is 8060096.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69006083) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2379506 + ... + 2379534.

It is an arithmetic number, because the mean of its divisors is an integer number (935130).

Almost surely, 269006080 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 69006080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (100994040).

69006080 is an abundant number, since it is smaller than the sum of its proper divisors (132982000).

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

69006080 is a wasteful number, since it uses less digits than its factorization.

69006080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87 (or 60 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 69006080 is about 8306.9898278498. The cubic root of 69006080 is about 410.1686397279.

The spelling of 69006080 in words is "sixty-nine million, six thousand, eighty".