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4219057 = 6762971
BaseRepresentation
bin10000000110000010110001
321221100110101
4100012002301
52040002212
6230232401
750601313
oct20060261
97840411
104219057
112421927
1214b5701
13b494ab
147bb7b3
15585157
hex4060b1

4219057 has 4 divisors (see below), whose sum is σ = 4282096. Its totient is φ = 4156020.

The previous prime is 4219027. The next prime is 4219079. The reversal of 4219057 is 7509124.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-4219057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4219027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31419 + ... + 31552.

It is an arithmetic number, because the mean of its divisors is an integer number (1070524).

Almost surely, 24219057 is an apocalyptic number.

It is an amenable number.

4219057 is a deficient number, since it is larger than the sum of its proper divisors (63039).

4219057 is an equidigital number, since it uses as much as digits as its factorization.

4219057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63038.

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 4219057 is about 2054.0343229849. The cubic root of 4219057 is about 161.5865211326.

The spelling of 4219057 in words is "four million, two hundred nineteen thousand, fifty-seven".

Divisors: 1 67 62971 4219057