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144442210 = 25116312081
BaseRepresentation
bin10001001110000…
…00001101100010
3101001210102110111
420213000031202
5243434122320
622155521534
73402511213
oct1047001542
9331712414
10144442210
1174596630
12404592aa
1323c04283
141527d40a
15ca32a5a
hex89c0362

144442210 has 32 divisors (see below), whose sum is σ = 284217984. Its totient is φ = 52416000.

The previous prime is 144442201. The next prime is 144442213. The reversal of 144442210 is 12244441.

144442210 is nontrivially palindromic in base 4.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (144442213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68370 + ... + 70450.

It is an arithmetic number, because the mean of its divisors is an integer number (8881812).

Almost surely, 2144442210 is an apocalyptic number.

144442210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

144442210 is a deficient number, since it is larger than the sum of its proper divisors (139775774).

144442210 is a wasteful number, since it uses less digits than its factorization.

144442210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2730.

The product of its (nonzero) digits is 1024, while the sum is 22.

The square root of 144442210 is about 12018.4112926792. The cubic root of 144442210 is about 524.6842666952.

Adding to 144442210 its reverse (12244441), we get a palindrome (156686651).

The spelling of 144442210 in words is "one hundred forty-four million, four hundred forty-two thousand, two hundred ten".

Divisors: 1 2 5 10 11 22 55 110 631 1262 2081 3155 4162 6310 6941 10405 13882 20810 22891 34705 45782 69410 114455 228910 1313111 2626222 6565555 13131110 14444221 28888442 72221105 144442210