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18341712 = 2432127373
BaseRepresentation
bin100010111110…
…1111101010000
31021111212002200
41011331331100
514143413322
61453043200
7311621244
oct105757520
937455080
1018341712
11a398444
126186500
133a526ac
142616424
1519248ac
hex117df50

18341712 has 30 divisors (see below), whose sum is σ = 51331722. Its totient is φ = 6113856.

The previous prime is 18341711. The next prime is 18341723. The reversal of 18341712 is 21714381.

It can be written as a sum of positive squares in only one way, i.e., 13571856 + 4769856 = 3684^2 + 2184^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18341711) 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, 63543 + ... + 63830.

Almost surely, 218341712 is an apocalyptic number.

18341712 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

18341712 is an abundant number, since it is smaller than the sum of its proper divisors (32990010).

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

18341712 is a wasteful number, since it uses less digits than its factorization.

18341712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127387 (or 127378 counting only the distinct ones).

The product of its digits is 1344, while the sum is 27.

The square root of 18341712 is about 4282.7224985983. The cubic root of 18341712 is about 263.7221594866.

The spelling of 18341712 in words is "eighteen million, three hundred forty-one thousand, seven hundred twelve".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 36 48 72 144 127373 254746 382119 509492 764238 1018984 1146357 1528476 2037968 2292714 3056952 4585428 6113904 9170856 18341712