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1144162506 = 23190693751
BaseRepresentation
bin100010000110010…
…1000100011001010
32221201221110220010
41010030220203022
54320401200011
6305311212350
740232135514
oct10414504312
92851843803
101144162506
11537939253
1227b2170b6
13153074046
14abd56bb4
156a6ab1a6
hex443288ca

1144162506 has 8 divisors (see below), whose sum is σ = 2288325024. Its totient is φ = 381387500.

The previous prime is 1144162499. The next prime is 1144162519. The reversal of 1144162506 is 6052614411.

It is a sphenic number, since it is the product of 3 distinct primes.

1144162506 is an admirable 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 3 ways as a sum of consecutive naturals, for example, 95346870 + ... + 95346881.

It is an arithmetic number, because the mean of its divisors is an integer number (286040628).

Almost surely, 21144162506 is an apocalyptic number.

1144162506 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1144162506 is a wasteful number, since it uses less digits than its factorization.

1144162506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190693756.

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 1144162506 is about 33825.4712605752. The cubic root of 1144162506 is about 1045.9138259252.

Adding to 1144162506 its reverse (6052614411), we get a palindrome (7196776917).

The spelling of 1144162506 in words is "one billion, one hundred forty-four million, one hundred sixty-two thousand, five hundred six".

Divisors: 1 2 3 6 190693751 381387502 572081253 1144162506