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16125228 = 22327611049
BaseRepresentation
bin111101100000…
…110100101100
31010100020122200
4331200310230
513112001403
61333341500
7254030220
oct75406454
933306580
1016125228
119114139
125497890
133457872
1421da780
151637ca3
hexf60d2c

16125228 has 72 divisors (see below), whose sum is σ = 47392800. Its totient is φ = 4527360.

The previous prime is 16125223. The next prime is 16125233. The reversal of 16125228 is 82252161.

It is a happy number.

16125228 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (16125223) and next prime (16125233).

It is not an unprimeable number, because it can be changed into a prime (16125223) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14848 + ... + 15896.

Almost surely, 216125228 is an apocalyptic number.

16125228 is a gapful number since it is divisible by the number (18) 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 16125228, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23696400).

16125228 is an abundant number, since it is smaller than the sum of its proper divisors (31267572).

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

16125228 is a wasteful number, since it uses less digits than its factorization.

16125228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1127 (or 1122 counting only the distinct ones).

The product of its digits is 1920, while the sum is 27.

The square root of 16125228 is about 4015.6229902719. The cubic root of 16125228 is about 252.6399080861.

Adding to 16125228 its reverse (82252161), we get a palindrome (98377389).

The spelling of 16125228 in words is "sixteen million, one hundred twenty-five thousand, two hundred twenty-eight".

Divisors: 1 2 3 4 6 7 9 12 14 18 21 28 36 42 61 63 84 122 126 183 244 252 366 427 549 732 854 1049 1098 1281 1708 2098 2196 2562 3147 3843 4196 5124 6294 7343 7686 9441 12588 14686 15372 18882 22029 29372 37764 44058 63989 66087 88116 127978 132174 191967 255956 264348 383934 447923 575901 767868 895846 1151802 1343769 1791692 2303604 2687538 4031307 5375076 8062614 16125228