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18002966 = 217231147
BaseRepresentation
bin100010010101…
…1010000010110
31020212122102112
41010223100112
514102043331
61441511022
7306010532
oct104532026
936778375
1018002966
11a186993
126042472
133964457
142568bc2
1518a932b
hex112b416

18002966 has 12 divisors (see below), whose sum is σ = 28687308. Its totient is φ = 8471712.

The previous prime is 18002923. The next prime is 18002969. The reversal of 18002966 is 66920081.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18002969) 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, 14996 + ... + 16151.

It is an arithmetic number, because the mean of its divisors is an integer number (2390609).

Almost surely, 218002966 is an apocalyptic number.

18002966 is a deficient number, since it is larger than the sum of its proper divisors (10684342).

18002966 is a wasteful number, since it uses less digits than its factorization.

18002966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31183 (or 31166 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 18002966 is about 4242.9902191733. The cubic root of 18002966 is about 262.0885332951.

The spelling of 18002966 in words is "eighteen million, two thousand, nine hundred sixty-six".

Divisors: 1 2 17 34 289 578 31147 62294 529499 1058998 9001483 18002966