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1144162430 = 25197357991
BaseRepresentation
bin100010000110010…
…1000100001111110
32221201221110210022
41010030220201332
54320401144210
6305311212142
740232135345
oct10414504176
92851843708
101144162430
11537939194
1227b217052
13153073cb8
14abd56b5c
156a6ab155
hex4432887e

1144162430 has 16 divisors (see below), whose sum is σ = 2060571744. Its totient is φ = 457425120.

The previous prime is 1144162429. The next prime is 1144162457. The reversal of 1144162430 is 342614411.

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 1144162430.

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 7 ways as a sum of consecutive naturals, for example, 9266 + ... + 48725.

It is an arithmetic number, because the mean of its divisors is an integer number (128785734).

Almost surely, 21144162430 is an apocalyptic number.

1144162430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1144162430 is a deficient number, since it is larger than the sum of its proper divisors (916409314).

1144162430 is a wasteful number, since it uses less digits than its factorization.

1144162430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59971.

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 1144162430 is about 33825.4701371614. The cubic root of 1144162430 is about 1045.9138027672.

Adding to 1144162430 its reverse (342614411), we get a palindrome (1486776841).

The spelling of 1144162430 in words is "one billion, one hundred forty-four million, one hundred sixty-two thousand, four hundred thirty".

Divisors: 1 2 5 10 1973 3946 9865 19730 57991 115982 289955 579910 114416243 228832486 572081215 1144162430