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12144888 = 2332724097
BaseRepresentation
bin101110010101…
…000011111000
3211212000122200
4232111003320
511102114023
61112150200
7205141560
oct56250370
924760580
1012144888
1169456a8
124098360
132692c32
141881da0
1510ed743
hexb950f8

12144888 has 48 divisors (see below), whose sum is σ = 37592880. Its totient is φ = 3469824.

The previous prime is 12144863. The next prime is 12144893. The reversal of 12144888 is 88844121.

It is a happy number.

12144888 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11545 + ... + 12552.

It is an arithmetic number, because the mean of its divisors is an integer number (783185).

Almost surely, 212144888 is an apocalyptic number.

12144888 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

12144888 is an abundant number, since it is smaller than the sum of its proper divisors (25447992).

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

12144888 is a wasteful number, since it uses less digits than its factorization.

12144888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24116 (or 24109 counting only the distinct ones).

The product of its digits is 16384, while the sum is 36.

The square root of 12144888 is about 3484.9516495929. The cubic root of 12144888 is about 229.8605834354.

The spelling of 12144888 in words is "twelve million, one hundred forty-four thousand, eight hundred eighty-eight".

Divisors: 1 2 3 4 6 7 8 9 12 14 18 21 24 28 36 42 56 63 72 84 126 168 252 504 24097 48194 72291 96388 144582 168679 192776 216873 289164 337358 433746 506037 578328 674716 867492 1012074 1349432 1518111 1734984 2024148 3036222 4048296 6072444 12144888