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16252101 = 321805789
BaseRepresentation
bin111101111111…
…110011000101
31010120200200200
4331333303011
513130031401
61340201113
7255066135
oct75776305
933520620
1016252101
1191a0498
125539199
1334a0538
142230ac5
151660686
hexf7fcc5

16252101 has 6 divisors (see below), whose sum is σ = 23475270. Its totient is φ = 10834728.

The previous prime is 16252073. The next prime is 16252109. The reversal of 16252101 is 10125261.

It can be written as a sum of positive squares in only one way, i.e., 15992001 + 260100 = 3999^2 + 510^2 .

It is not a de Polignac number, because 16252101 - 25 = 16252069 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16252109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 902886 + ... + 902903.

It is an arithmetic number, because the mean of its divisors is an integer number (3912545).

Almost surely, 216252101 is an apocalyptic number.

It is an amenable number.

16252101 is a deficient number, since it is larger than the sum of its proper divisors (7223169).

16252101 is a wasteful number, since it uses less digits than its factorization.

16252101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1805795 (or 1805792 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The square root of 16252101 is about 4031.3894627039. The cubic root of 16252101 is about 253.3007666277.

Adding to 16252101 its reverse (10125261), we get a palindrome (26377362).

The spelling of 16252101 in words is "sixteen million, two hundred fifty-two thousand, one hundred one".

Divisors: 1 3 9 1805789 5417367 16252101