Search a number
-
+
8080008408 = 2332112222339
BaseRepresentation
bin1111000011001101…
…10010010011011000
3202212002221221210200
413201212302103120
5113021440232113
63413434342200
7404141636553
oct74146622330
922762857720
108080008408
113476a549aa
121695b8a960
139b9ca7284
1456917369a
15324551873
hex1e19b24d8

8080008408 has 24 divisors (see below), whose sum is σ = 21883356300. Its totient is φ = 2693336112.

The previous prime is 8080008403. The next prime is 8080008437. The reversal of 8080008408 is 8048000808.

It is a tau number, because it is divible by the number of its divisors (24).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8080008401) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 56111098 + ... + 56111241.

Almost surely, 28080008408 is an apocalyptic number.

It is an amenable number.

8080008408 is an abundant number, since it is smaller than the sum of its proper divisors (13803347892).

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

8080008408 is a wasteful number, since it uses less digits than its factorization.

8080008408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112222351 (or 112222344 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 36.

The square root of 8080008408 is about 89888.8669858509. The cubic root of 8080008408 is about 2006.6452631181.

The spelling of 8080008408 in words is "eight billion, eighty million, eight thousand, four hundred eight".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 72 112222339 224444678 336667017 448889356 673334034 897778712 1010001051 1346668068 2020002102 2693336136 4040004204 8080008408