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12019672 = 237375801
BaseRepresentation
bin101101110110…
…011111011000
3211121122220001
4231312133120
511034112142
61105342344
7204110530
oct55663730
924548801
1012019672
11686a615
1240379b4
13264ac42
14184c4c0
1510c65b7
hexb767d8

12019672 has 32 divisors (see below), whose sum is σ = 26457120. Its totient is φ = 5011200.

The previous prime is 12019627. The next prime is 12019687. The reversal of 12019672 is 27691021.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 12019672.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 829 + ... + 4972.

It is an arithmetic number, because the mean of its divisors is an integer number (826785).

Almost surely, 212019672 is an apocalyptic number.

It is an amenable number.

12019672 is an abundant number, since it is smaller than the sum of its proper divisors (14437448).

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

12019672 is a wasteful number, since it uses less digits than its factorization.

12019672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5851 (or 5847 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 28.

The square root of 12019672 is about 3466.9398610302. The cubic root of 12019672 is about 229.0678847578.

The spelling of 12019672 in words is "twelve million, nineteen thousand, six hundred seventy-two".

Divisors: 1 2 4 7 8 14 28 37 56 74 148 259 296 518 1036 2072 5801 11602 23204 40607 46408 81214 162428 214637 324856 429274 858548 1502459 1717096 3004918 6009836 12019672