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144163672 = 23174792213
BaseRepresentation
bin10001001011111…
…00001101011000
3101001021021101021
420211330031120
5243401214142
622145532224
73400241152
oct1045741530
9331237337
10144163672
1174416334
1240344074
1323b37563
1415209ad2
15c9ca267
hex897c358

144163672 has 32 divisors (see below), whose sum is σ = 286934400. Its totient is φ = 67669504.

The previous prime is 144163639. The next prime is 144163681. The reversal of 144163672 is 276361441.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

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, 64038 + ... + 66250.

It is an arithmetic number, because the mean of its divisors is an integer number (8966700).

Almost surely, 2144163672 is an apocalyptic number.

It is an amenable number.

144163672 is a deficient number, since it is larger than the sum of its proper divisors (142770728).

144163672 is a wasteful number, since it uses less digits than its factorization.

144163672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2715 (or 2711 counting only the distinct ones).

The product of its digits is 24192, while the sum is 34.

The square root of 144163672 is about 12006.8177299399. The cubic root of 144163672 is about 524.3467879041.

The spelling of 144163672 in words is "one hundred forty-four million, one hundred sixty-three thousand, six hundred seventy-two".

Divisors: 1 2 4 8 17 34 68 136 479 958 1916 2213 3832 4426 8143 8852 16286 17704 32572 37621 65144 75242 150484 300968 1060027 2120054 4240108 8480216 18020459 36040918 72081836 144163672