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18061352 = 233137213
BaseRepresentation
bin100010011100…
…1100000101000
31020222121111222
41010321200220
514110430402
61443041212
7306343001
oct104714050
936877458
1018061352
11a216841
126070208
133984bba
1425821a8
1518bb7a2
hex1139828

18061352 has 16 divisors (see below), whose sum is σ = 33977940. Its totient is φ = 9000576.

The previous prime is 18061349. The next prime is 18061357. The reversal of 18061352 is 25316081.

It can be written as a sum of positive squares in 2 ways, for example, as 17522596 + 538756 = 4186^2 + 734^2 .

It is a Smith number, since the sum of its digits (26) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (18061357) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1103 + ... + 6110.

Almost surely, 218061352 is an apocalyptic number.

It is an amenable number.

18061352 is a deficient number, since it is larger than the sum of its proper divisors (15916588).

18061352 is a wasteful number, since it uses less digits than its factorization.

18061352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7532 (or 7528 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 18061352 is about 4249.8649390304. The cubic root of 18061352 is about 262.3715568144.

The spelling of 18061352 in words is "eighteen million, sixty-one thousand, three hundred fifty-two".

Divisors: 1 2 4 8 313 626 1252 2504 7213 14426 28852 57704 2257669 4515338 9030676 18061352