Search a number
-
+
144749936 = 249046871
BaseRepresentation
bin10001010000010…
…11010101110000
3101002101001120202
420220023111300
5244023444221
622210254332
73405232322
oct1050132560
9332331522
10144749936
1174786851
12405873a8
1323cb1366
141531d612
15ca93d0b
hex8a0b570

144749936 has 10 divisors (see below), whose sum is σ = 280453032. Its totient is φ = 72374960.

The previous prime is 144749909. The next prime is 144749939. The reversal of 144749936 is 639947441.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144749939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4523420 + ... + 4523451.

Almost surely, 2144749936 is an apocalyptic number.

144749936 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

144749936 is a deficient number, since it is larger than the sum of its proper divisors (135703096).

144749936 is an equidigital number, since it uses as much as digits as its factorization.

144749936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9046879 (or 9046873 counting only the distinct ones).

The product of its digits is 653184, while the sum is 47.

The square root of 144749936 is about 12031.2067557664. The cubic root of 144749936 is about 525.0566058391.

The spelling of 144749936 in words is "one hundred forty-four million, seven hundred forty-nine thousand, nine hundred thirty-six".

Divisors: 1 2 4 8 16 9046871 18093742 36187484 72374968 144749936