Search a number
-
+
144398792 = 2343141879
BaseRepresentation
bin10001001101101…
…01100111001000
3101001201012220102
420212311213020
5243431230132
622154544532
73402240506
oct1046654710
9331635812
10144398792
1174566a4a
1240438148
1323bba595
141526b676
15ca24c62
hex89b59c8

144398792 has 16 divisors (see below), whose sum is σ = 271382400. Its totient is φ = 72030160.

The previous prime is 144398789. The next prime is 144398809. The reversal of 144398792 is 297893441.

It is a super-2 number, since 2×1443987922 = 41702022262118528, which contains 22 as substring.

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, 17492 + ... + 24387.

It is an arithmetic number, because the mean of its divisors is an integer number (16961400).

Almost surely, 2144398792 is an apocalyptic number.

It is an amenable number.

144398792 is a deficient number, since it is larger than the sum of its proper divisors (126983608).

144398792 is a wasteful number, since it uses less digits than its factorization.

144398792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42316 (or 42312 counting only the distinct ones).

The product of its digits is 435456, while the sum is 47.

The square root of 144398792 is about 12016.6048449635. The cubic root of 144398792 is about 524.6316896717.

The spelling of 144398792 in words is "one hundred forty-four million, three hundred ninety-eight thousand, seven hundred ninety-two".

Divisors: 1 2 4 8 431 862 1724 3448 41879 83758 167516 335032 18049849 36099698 72199396 144398792