Search a number
-
+
143944924 = 2297137061
BaseRepresentation
bin10001001010001…
…10110011011100
3101000212011022111
420211012303130
5243322214144
622141123404
73365340334
oct1045066334
9330764274
10143944924
1174286a52
1240259564
1323a8bb16
14151900c4
15c985534
hex8946cdc

143944924 has 12 divisors (see below), whose sum is σ = 252169848. Its totient is φ = 71896400.

The previous prime is 143944919. The next prime is 143944961. The reversal of 143944924 is 429449341.

It is a super-2 number, since 2×1439449242 = 41440282290731552, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14647 + ... + 22414.

It is an arithmetic number, because the mean of its divisors is an integer number (21014154).

Almost surely, 2143944924 is an apocalyptic number.

It is an amenable number.

143944924 is a deficient number, since it is larger than the sum of its proper divisors (108224924).

143944924 is a wasteful number, since it uses less digits than its factorization.

143944924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38036 (or 38034 counting only the distinct ones).

The product of its digits is 124416, while the sum is 40.

The square root of 143944924 is about 11997.7049471972. The cubic root of 143944924 is about 524.0814462682.

The spelling of 143944924 in words is "one hundred forty-three million, nine hundred forty-four thousand, nine hundred twenty-four".

Divisors: 1 2 4 971 1942 3884 37061 74122 148244 35986231 71972462 143944924