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144922892 = 22173168749
BaseRepresentation
bin10001010001101…
…01100100001100
3101002200211211112
420220311210030
5244100013032
622214111152
73406552502
oct1050654414
9332624745
10144922892
1174894794
124064b4b8
1324041cba
1415366672
15caca1b2
hex8a3590c

144922892 has 24 divisors (see below), whose sum is σ = 277200000. Its totient is φ = 65998080.

The previous prime is 144922873. The next prime is 144922901. The reversal of 144922892 is 298229441.

It is a super-4 number, since 4×1449228924 (a number of 34 digits) contains 4444 as substring.

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, 32267 + ... + 36482.

It is an arithmetic number, because the mean of its divisors is an integer number (11550000).

Almost surely, 2144922892 is an apocalyptic number.

It is an amenable number.

144922892 is a deficient number, since it is larger than the sum of its proper divisors (132277108).

144922892 is a wasteful number, since it uses less digits than its factorization.

144922892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68801 (or 68799 counting only the distinct ones).

The product of its digits is 82944, while the sum is 41.

The square root of 144922892 is about 12038.3924175946. The cubic root of 144922892 is about 525.2656457592.

The spelling of 144922892 in words is "one hundred forty-four million, nine hundred twenty-two thousand, eight hundred ninety-two".

Divisors: 1 2 4 17 31 34 62 68 124 527 1054 2108 68749 137498 274996 1168733 2131219 2337466 4262438 4674932 8524876 36230723 72461446 144922892