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4028417 = 4785711
BaseRepresentation
bin1111010111100000000001
321120122221122
433113200001
52012402132
6222202025
746145441
oct17274001
97518848
104028417
112301678
121423315
13ab07a3
1476c121
15548912
hex3d7801

4028417 has 4 divisors (see below), whose sum is σ = 4114176. Its totient is φ = 3942660.

The previous prime is 4028413. The next prime is 4028429. The reversal of 4028417 is 7148204.

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 not a de Polignac number, because 4028417 - 22 = 4028413 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4028413) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42809 + ... + 42902.

It is an arithmetic number, because the mean of its divisors is an integer number (1028544).

It is a Proth number, since it is equal to 1967 ⋅ 211 + 1 and 1967 < 211.

Almost surely, 24028417 is an apocalyptic number.

4028417 is a gapful number since it is divisible by the number (47) formed by its first and last digit.

It is an amenable number.

4028417 is a deficient number, since it is larger than the sum of its proper divisors (85759).

4028417 is an equidigital number, since it uses as much as digits as its factorization.

4028417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85758.

The product of its (nonzero) digits is 1792, while the sum is 26.

The square root of 4028417 is about 2007.0916770292. The cubic root of 4028417 is about 159.1151283054.

The spelling of 4028417 in words is "four million, twenty-eight thousand, four hundred seventeen".

Divisors: 1 47 85711 4028417