Search a number
-
+
7214454138 = 231202409023
BaseRepresentation
bin1101011100000001…
…11101010101111010
3200121210021020120010
412232000331111322
5104233400013023
63151514442350
7343531563663
oct65600752572
920553236503
107214454138
11307240a1a1
1214941333b6
138ac881298
144c622236a
152c357b093
hex1ae03d57a

7214454138 has 8 divisors (see below), whose sum is σ = 14428908288. Its totient is φ = 2404818044.

The previous prime is 7214454133. The next prime is 7214454167. The reversal of 7214454138 is 8314544127.

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

7214454138 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 7214454096 and 7214454105.

It is not an unprimeable number, because it can be changed into a prime (7214454133) 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, 601204506 + ... + 601204517.

It is an arithmetic number, because the mean of its divisors is an integer number (1803613536).

Almost surely, 27214454138 is an apocalyptic number.

7214454138 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

7214454138 is a wasteful number, since it uses less digits than its factorization.

7214454138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1202409028.

The product of its digits is 107520, while the sum is 39.

The square root of 7214454138 is about 84937.9428641876. The cubic root of 7214454138 is about 1932.2700644596.

The spelling of 7214454138 in words is "seven billion, two hundred fourteen million, four hundred fifty-four thousand, one hundred thirty-eight".

Divisors: 1 2 3 6 1202409023 2404818046 3607227069 7214454138