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4216257 = 32468473
BaseRepresentation
bin10000000101010111000001
321221012121200
4100011113001
52034410012
6230211413
750560203
oct20052701
97835550
104216257
11241a811
1214b3b69
13b48136
147ba773
155843dc
hex4055c1

4216257 has 6 divisors (see below), whose sum is σ = 6090162. Its totient is φ = 2810832.

The previous prime is 4216241. The next prime is 4216283. The reversal of 4216257 is 7526124.

It can be written as a sum of positive squares in only one way, i.e., 3101121 + 1115136 = 1761^2 + 1056^2 .

It is not a de Polignac number, because 4216257 - 24 = 4216241 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4216257.

It is not an unprimeable number, because it can be changed into a prime (4216237) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 234228 + ... + 234245.

It is an arithmetic number, because the mean of its divisors is an integer number (1015027).

Almost surely, 24216257 is an apocalyptic number.

It is an amenable number.

4216257 is a deficient number, since it is larger than the sum of its proper divisors (1873905).

4216257 is a wasteful number, since it uses less digits than its factorization.

4216257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 468479 (or 468476 counting only the distinct ones).

The product of its digits is 3360, while the sum is 27.

The square root of 4216257 is about 2053.3526243683. The cubic root of 4216257 is about 161.5507672991.

The spelling of 4216257 in words is "four million, two hundred sixteen thousand, two hundred fifty-seven".

Divisors: 1 3 9 468473 1405419 4216257