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2028417 = 36131103
BaseRepresentation
bin111101111001110000001
310211001110120
413233032001
51004402132
6111250453
723145516
oct7571601
93731416
102028417
111165a86
12819a29
13560361
143ab30d
152a102c
hex1ef381

2028417 has 8 divisors (see below), whose sum is σ = 2711424. Its totient is φ = 1348848.

The previous prime is 2028413. The next prime is 2028431. The reversal of 2028417 is 7148202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2028417 - 22 = 2028413 is a prime.

It is a super-2 number, since 2×20284172 = 8228951051778, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2028413) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1288 + ... + 2390.

It is an arithmetic number, because the mean of its divisors is an integer number (338928).

22028417 is an apocalyptic number.

It is an amenable number.

2028417 is a deficient number, since it is larger than the sum of its proper divisors (683007).

2028417 is a wasteful number, since it uses less digits than its factorization.

2028417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1719.

The product of its (nonzero) digits is 896, while the sum is 24.

The square root of 2028417 is about 1424.2250524408. The cubic root of 2028417 is about 126.5860205334.

It can be divided in two parts, 20284 and 17, that added together give a triangular number (20301 = T201).

The spelling of 2028417 in words is "two million, twenty-eight thousand, four hundred seventeen".

Divisors: 1 3 613 1103 1839 3309 676139 2028417