Search a number
-
+
16017228 = 22321923417
BaseRepresentation
bin111101000110…
…011101001100
31010010202111200
4331012131030
513100022403
61331145500
7253100313
oct75063514
933122450
1016017228
11904aa87
125445290
13341a666
1421ad27a
151615ca3
hexf4674c

16017228 has 36 divisors (see below), whose sum is σ = 42620760. Its totient is φ = 5057856.

The previous prime is 16017217. The next prime is 16017229. The reversal of 16017228 is 82271061.

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (16017229) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 11025 + ... + 12392.

It is an arithmetic number, because the mean of its divisors is an integer number (1183910).

Almost surely, 216017228 is an apocalyptic number.

16017228 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

16017228 is an abundant number, since it is smaller than the sum of its proper divisors (26603532).

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

16017228 is a wasteful number, since it uses less digits than its factorization.

16017228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23446 (or 23441 counting only the distinct ones).

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

The square root of 16017228 is about 4002.1529206166. The cubic root of 16017228 is about 252.0746188702.

Adding to 16017228 its reverse (82271061), we get a palindrome (98288289).

The spelling of 16017228 in words is "sixteen million, seventeen thousand, two hundred twenty-eight".

Divisors: 1 2 3 4 6 9 12 18 19 36 38 57 76 114 171 228 342 684 23417 46834 70251 93668 140502 210753 281004 421506 444923 843012 889846 1334769 1779692 2669538 4004307 5339076 8008614 16017228