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16242012 = 22331011489
BaseRepresentation
bin111101111101…
…010101011100
31010120011212000
4331331111130
513124221022
61340042300
7255024543
oct75752534
933504760
1016242012
119193956
125533390
133498a77
14222b15a
15165c6ac
hexf7d55c

16242012 has 48 divisors (see below), whose sum is σ = 42554400. Its totient is φ = 5356800.

The previous prime is 16242007. The next prime is 16242019. The reversal of 16242012 is 21024261.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16242019) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10164 + ... + 11652.

It is an arithmetic number, because the mean of its divisors is an integer number (886550).

Almost surely, 216242012 is an apocalyptic number.

16242012 is a gapful number since it is divisible by the number (12) 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 16242012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21277200).

16242012 is an abundant number, since it is smaller than the sum of its proper divisors (26312388).

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

16242012 is a wasteful number, since it uses less digits than its factorization.

16242012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1603 (or 1595 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 16242012 is about 4030.1379628990. The cubic root of 16242012 is about 253.2483409869.

Adding to 16242012 its reverse (21024261), we get a palindrome (37266273).

The spelling of 16242012 in words is "sixteen million, two hundred forty-two thousand, twelve".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 101 108 202 303 404 606 909 1212 1489 1818 2727 2978 3636 4467 5454 5956 8934 10908 13401 17868 26802 40203 53604 80406 150389 160812 300778 451167 601556 902334 1353501 1804668 2707002 4060503 5414004 8121006 16242012