Search a number
-
+
143886404 = 22122929269
BaseRepresentation
bin10001001001110…
…00100001000100
3101000202012001002
420210320201010
5243313331104
622135552432
73365004614
oct1044704104
9330665032
10143886404
1174246a92
124022b718
1323a6b2ac
1415176a44
15c97301e
hex8938844

143886404 has 12 divisors (see below), whose sum is σ = 252014700. Its totient is φ = 71882208.

The previous prime is 143886401. The next prime is 143886409. The reversal of 143886404 is 404688341.

It can be written as a sum of positive squares in 2 ways, for example, as 123654400 + 20232004 = 11120^2 + 4498^2 .

It is not an unprimeable number, because it can be changed into a prime (143886401) 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, 9719 + ... + 19550.

It is an arithmetic number, because the mean of its divisors is an integer number (21001225).

Almost surely, 2143886404 is an apocalyptic number.

It is an amenable number.

143886404 is a deficient number, since it is larger than the sum of its proper divisors (108128296).

143886404 is a wasteful number, since it uses less digits than its factorization.

143886404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30502 (or 30500 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 38.

The square root of 143886404 is about 11995.2658995122. The cubic root of 143886404 is about 524.0104158526.

The spelling of 143886404 in words is "one hundred forty-three million, eight hundred eighty-six thousand, four hundred four".

Divisors: 1 2 4 1229 2458 4916 29269 58538 117076 35971601 71943202 143886404