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16201284 = 22311139883
BaseRepresentation
bin111101110011…
…011001000100
31010111002222120
4331303121010
513121420114
61335125540
7254465031
oct75633104
933432876
1016201284
1191662a0
1255138b0
133483378
14221a388
1516505a9
hexf73644

16201284 has 48 divisors (see below), whose sum is σ = 41583360. Its totient is φ = 4868640.

The previous prime is 16201279. The next prime is 16201303. The reversal of 16201284 is 48210261.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17907 + ... + 18789.

It is an arithmetic number, because the mean of its divisors is an integer number (866320).

Almost surely, 216201284 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16201284, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20791680).

16201284 is an abundant number, since it is smaller than the sum of its proper divisors (25382076).

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

16201284 is a wasteful number, since it uses less digits than its factorization.

16201284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1040 (or 1038 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 24.

The square root of 16201284 is about 4025.0818625216. The cubic root of 16201284 is about 253.0364843987.

The spelling of 16201284 in words is "sixteen million, two hundred one thousand, two hundred eighty-four".

Divisors: 1 2 3 4 6 11 12 22 33 44 66 132 139 278 417 556 834 883 1529 1668 1766 2649 3058 3532 4587 5298 6116 9174 9713 10596 18348 19426 29139 38852 58278 116556 122737 245474 368211 490948 736422 1350107 1472844 2700214 4050321 5400428 8100642 16201284