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12069072 = 243283813
BaseRepresentation
bin101110000010…
…100011010000
3211201011122200
4232002203100
511042202242
61110403200
7204404541
oct56024320
924634580
1012069072
1168a3744
124060500
132667582
1418624c8
1510d604c
hexb828d0

12069072 has 30 divisors (see below), whose sum is σ = 33777042. Its totient is φ = 4022976.

The previous prime is 12069053. The next prime is 12069073. The reversal of 12069072 is 27096021.

It can be written as a sum of positive squares in only one way, i.e., 11861136 + 207936 = 3444^2 + 456^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12069073) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 41763 + ... + 42050.

Almost surely, 212069072 is an apocalyptic number.

12069072 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12069072 is an abundant number, since it is smaller than the sum of its proper divisors (21707970).

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

12069072 is a wasteful number, since it uses less digits than its factorization.

12069072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83827 (or 83818 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 12069072 is about 3474.0569943511. The cubic root of 12069072 is about 229.3812734043.

The spelling of 12069072 in words is "twelve million, sixty-nine thousand, seventy-two".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 36 48 72 144 83813 167626 251439 335252 502878 670504 754317 1005756 1341008 1508634 2011512 3017268 4023024 6034536 12069072