Search a number
-
+
8130910 = 25813091
BaseRepresentation
bin11111000001000101011110
3120022002111211
4133001011132
54040142120
6450135034
7126053164
oct37010536
916262454
108130910
114653967
12288147a
1318b8bb8
141119234
15aa925a
hex7c115e

8130910 has 8 divisors (see below), whose sum is σ = 14635656. Its totient is φ = 3252360.

The previous prime is 8130907. The next prime is 8130911. The reversal of 8130910 is 190318.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×81309102 = 132223394856200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8130911) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 406536 + ... + 406555.

It is an arithmetic number, because the mean of its divisors is an integer number (1829457).

Almost surely, 28130910 is an apocalyptic number.

8130910 is a deficient number, since it is larger than the sum of its proper divisors (6504746).

8130910 is a wasteful number, since it uses less digits than its factorization.

8130910 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 813098.

The product of its (nonzero) digits is 216, while the sum is 22.

The square root of 8130910 is about 2851.4750568785. The cubic root of 8130910 is about 201.0850196834.

The spelling of 8130910 in words is "eight million, one hundred thirty thousand, nine hundred ten".

Divisors: 1 2 5 10 813091 1626182 4065455 8130910