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144368772 = 22347255973
BaseRepresentation
bin10001001101011…
…10010010000100
3101001122200201120
420212232102010
5243424300042
622154153540
73402054132
oct1046562204
9331580646
10144368772
1174546439
12404228b0
1323ba9a12
1415260752
15ca1adec
hex89ae484

144368772 has 24 divisors (see below), whose sum is σ = 344029056. Its totient is φ = 47098848.

The previous prime is 144368753. The next prime is 144368797. The reversal of 144368772 is 277863441.

It is an unprimeable number.

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, 127423 + ... + 128550.

It is an arithmetic number, because the mean of its divisors is an integer number (14334544).

Almost surely, 2144368772 is an apocalyptic number.

144368772 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

144368772 is an abundant number, since it is smaller than the sum of its proper divisors (199660284).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

144368772 is a wasteful number, since it uses less digits than its factorization.

144368772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256027 (or 256025 counting only the distinct ones).

The product of its digits is 225792, while the sum is 42.

The square root of 144368772 is about 12015.3556751350. The cubic root of 144368772 is about 524.5953307921.

The spelling of 144368772 in words is "one hundred forty-four million, three hundred sixty-eight thousand, seven hundred seventy-two".

Divisors: 1 2 3 4 6 12 47 94 141 188 282 564 255973 511946 767919 1023892 1535838 3071676 12030731 24061462 36092193 48122924 72184386 144368772