[go: up one dir, main page]

Search a number
-
+
9080380 = 2251721571
BaseRepresentation
bin100010101000…
…111000111100
3122002022221101
4202220320330
54311033010
6522342444
7140116261
oct42507074
918068841
109080380
115142251
12305aa24
131b5c10a
1412c5268
15be573a
hex8a8e3c

9080380 has 36 divisors (see below), whose sum is σ = 20269368. Its totient is φ = 3416320.

The previous prime is 9080371. The next prime is 9080381. The reversal of 9080380 is 830809.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9080381) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 4995 + ... + 6565.

It is an arithmetic number, because the mean of its divisors is an integer number (563038).

Almost surely, 29080380 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 9080380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10134684).

9080380 is an abundant number, since it is smaller than the sum of its proper divisors (11188988).

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

9080380 is a wasteful number, since it uses less digits than its factorization.

9080380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1614 (or 1595 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 9080380 is about 3013.3668877188. The cubic root of 9080380 is about 208.6257965301.

The spelling of 9080380 in words is "nine million, eighty thousand, three hundred eighty".

Divisors: 1 2 4 5 10 17 20 34 68 85 170 289 340 578 1156 1445 1571 2890 3142 5780 6284 7855 15710 26707 31420 53414 106828 133535 267070 454019 534140 908038 1816076 2270095 4540190 9080380