Search a number
-
+
144739676 = 22417011259
BaseRepresentation
bin10001010000010…
…00110101011100
3101002100112111202
420220020311130
5244023132201
622210135032
73405160364
oct1050106534
9332315452
10144739676
117477a074
1240581478
1323ca97a3
14153199a4
15ca90c6b
hex8a08d5c

144739676 has 24 divisors (see below), whose sum is σ = 260048880. Its totient is φ = 70448000.

The previous prime is 144739657. The next prime is 144739687. The reversal of 144739676 is 676937441.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 144739676.

It is a congruent number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 114335 + ... + 115593.

It is an arithmetic number, because the mean of its divisors is an integer number (10835370).

Almost surely, 2144739676 is an apocalyptic number.

It is an amenable number.

144739676 is a deficient number, since it is larger than the sum of its proper divisors (115309204).

144739676 is a wasteful number, since it uses less digits than its factorization.

144739676 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2005 (or 2003 counting only the distinct ones).

The product of its digits is 762048, while the sum is 47.

The square root of 144739676 is about 12030.7803570675. The cubic root of 144739676 is about 525.0442000580.

The spelling of 144739676 in words is "one hundred forty-four million, seven hundred thirty-nine thousand, six hundred seventy-six".

Divisors: 1 2 4 41 82 164 701 1259 1402 2518 2804 5036 28741 51619 57482 103238 114964 206476 882559 1765118 3530236 36184919 72369838 144739676