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144195836 = 22172697883
BaseRepresentation
bin10001001100001…
…00000011111100
3101001022220111112
420212010003330
5243403231321
622150341152
73400434011
oct1046040374
9331286445
10144195836
1174438514
124035a7b8
1323b490a5
1415217708
15c9d4a5b
hex89840fc

144195836 has 24 divisors (see below), whose sum is σ = 268213680. Its totient is φ = 67596032.

The previous prime is 144195833. The next prime is 144195841. The reversal of 144195836 is 638591441.

It is a junction number, because it is equal to n+sod(n) for n = 144195793 and 144195802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144195833) by changing a digit.

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, 14351 + ... + 22233.

It is an arithmetic number, because the mean of its divisors is an integer number (11175570).

Almost surely, 2144195836 is an apocalyptic number.

It is an amenable number.

144195836 is a deficient number, since it is larger than the sum of its proper divisors (124017844).

144195836 is a wasteful number, since it uses less digits than its factorization.

144195836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8173 (or 8171 counting only the distinct ones).

The product of its digits is 103680, while the sum is 41.

The square root of 144195836 is about 12008.1570609315. The cubic root of 144195836 is about 524.3857802424.

The spelling of 144195836 in words is "one hundred forty-four million, one hundred ninety-five thousand, eight hundred thirty-six".

Divisors: 1 2 4 17 34 68 269 538 1076 4573 7883 9146 15766 18292 31532 134011 268022 536044 2120527 4241054 8482108 36048959 72097918 144195836