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8125938 = 232451441
BaseRepresentation
bin11110111111110111110010
3120021211200200
4132333313302
54040012223
6450100030
7126032532
oct36776762
916254620
108125938
114650157
12287a616
1318b6862
1411174c2
15aa7a43
hex7bfdf2

8125938 has 12 divisors (see below), whose sum is σ = 17606238. Its totient is φ = 2708640.

The previous prime is 8125933. The next prime is 8125951. The reversal of 8125938 is 8395218.

It can be written as a sum of positive squares in only one way, i.e., 5212089 + 2913849 = 2283^2 + 1707^2 .

It is not an unprimeable number, because it can be changed into a prime (8125933) 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, 225703 + ... + 225738.

Almost surely, 28125938 is an apocalyptic number.

8125938 is an abundant number, since it is smaller than the sum of its proper divisors (9480300).

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

8125938 is a wasteful number, since it uses less digits than its factorization.

8125938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 451449 (or 451446 counting only the distinct ones).

The product of its digits is 17280, while the sum is 36.

The square root of 8125938 is about 2850.6030940838. The cubic root of 8125938 is about 201.0440239205.

The spelling of 8125938 in words is "eight million, one hundred twenty-five thousand, nine hundred thirty-eight".

Divisors: 1 2 3 6 9 18 451441 902882 1354323 2708646 4062969 8125938