Search a number
-
+
8143074 = 232452393
BaseRepresentation
bin11111000100000011100010
3120022201012100
4133010003202
54041034244
6450311230
7126133512
oct37040342
916281170
108143074
114662015
122888516
1318c15b4
14111d842
15aacb69
hex7c40e2

8143074 has 12 divisors (see below), whose sum is σ = 17643366. Its totient is φ = 2714352.

The previous prime is 8143043. The next prime is 8143097. The reversal of 8143074 is 4703418.

It can be written as a sum of positive squares in only one way, i.e., 7800849 + 342225 = 2793^2 + 585^2 .

It is an alternating number because its digits alternate between even and odd.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 226179 + ... + 226214.

Almost surely, 28143074 is an apocalyptic number.

8143074 is an abundant number, since it is smaller than the sum of its proper divisors (9500292).

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

8143074 is a wasteful number, since it uses less digits than its factorization.

8143074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 452401 (or 452398 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 8143074 is about 2853.6071909077. The cubic root of 8143074 is about 201.1852454244.

The spelling of 8143074 in words is "eight million, one hundred forty-three thousand, seventy-four".

Divisors: 1 2 3 6 9 18 452393 904786 1357179 2714358 4071537 8143074