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144971882 = 21110363977
BaseRepresentation
bin10001010010000…
…01100001101010
3101002210100000222
420221001201222
5244103100012
622215130042
73410145356
oct1051014152
9332710028
10144971882
1174918580
1240673922
132405b3a3
141537a466
15cad9972
hex8a4186a

144971882 has 16 divisors (see below), whose sum is σ = 239533632. Its totient is φ = 65255520.

The previous prime is 144971851. The next prime is 144971917. The reversal of 144971882 is 288179441.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29723 + ... + 34254.

It is an arithmetic number, because the mean of its divisors is an integer number (14970852).

Almost surely, 2144971882 is an apocalyptic number.

144971882 is a deficient number, since it is larger than the sum of its proper divisors (94561750).

144971882 is a wasteful number, since it uses less digits than its factorization.

144971882 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64093.

The product of its digits is 129024, while the sum is 44.

The square root of 144971882 is about 12040.4269857842. The cubic root of 144971882 is about 525.3248263451.

The spelling of 144971882 in words is "one hundred forty-four million, nine hundred seventy-one thousand, eight hundred eighty-two".

Divisors: 1 2 11 22 103 206 1133 2266 63977 127954 703747 1407494 6589631 13179262 72485941 144971882