Search a number
-
+
12075660 = 2232573919
BaseRepresentation
bin101110000100…
…001010001100
3211201111200200
4232010022030
511042410120
61110453500
7204433002
oct56041214
924644620
1012075660
1168a8693
124064290
13266a57c
141864a72
1510d7e90
hexb8428c

12075660 has 72 divisors (see below), whose sum is σ = 37171680. Its totient is φ = 3172608.

The previous prime is 12075643. The next prime is 12075671. The reversal of 12075660 is 6657021.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12681 + ... + 13599.

Almost surely, 212075660 is an apocalyptic number.

12075660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12075660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18585840).

12075660 is an abundant number, since it is smaller than the sum of its proper divisors (25096020).

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

12075660 is a wasteful number, since it uses less digits than its factorization.

12075660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1007 (or 1002 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 12075660 is about 3475.0050359676. The cubic root of 12075660 is about 229.4230023501.

The spelling of 12075660 in words is "twelve million, seventy-five thousand, six hundred sixty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 60 73 90 146 180 219 292 365 438 657 730 876 919 1095 1314 1460 1838 2190 2628 2757 3285 3676 4380 4595 5514 6570 8271 9190 11028 13140 13785 16542 18380 27570 33084 41355 55140 67087 82710 134174 165420 201261 268348 335435 402522 603783 670870 805044 1006305 1207566 1341740 2012610 2415132 3018915 4025220 6037830 12075660