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144057836 = 221315591777
BaseRepresentation
bin10001001011000…
…10010111101100
3101001001220012102
420211202113230
5243334322321
622143354232
73366320456
oct1045422754
9331056172
10144057836
117435386a
12402b2978
1323acb330
14151bd2d6
15c9a8c0b
hex89625ec

144057836 has 24 divisors (see below), whose sum is σ = 271820640. Its totient is φ = 66408192.

The previous prime is 144057827. The next prime is 144057853. The reversal of 144057836 is 638750441.

It is a super-2 number, since 2×1440578362 = 41505320226005792, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 144057836.

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, 80180 + ... + 81956.

It is an arithmetic number, because the mean of its divisors is an integer number (11325860).

Almost surely, 2144057836 is an apocalyptic number.

It is an amenable number.

144057836 is a deficient number, since it is larger than the sum of its proper divisors (127762804).

144057836 is a wasteful number, since it uses less digits than its factorization.

144057836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3353 (or 3351 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 38.

The square root of 144057836 is about 12002.4095914112. The cubic root of 144057836 is about 524.2184422266.

The spelling of 144057836 in words is "one hundred forty-four million, fifty-seven thousand, eight hundred thirty-six".

Divisors: 1 2 4 13 26 52 1559 1777 3118 3554 6236 7108 20267 23101 40534 46202 81068 92404 2770343 5540686 11081372 36014459 72028918 144057836