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2028192 = 25337571
BaseRepresentation
bin111101111001010100000
310211001011020
413233022200
51004400232
6111245440
723145045
oct7571240
93731136
102028192
1111658a1
12819880
1356021a
143ab1cc
152a0e2c
hex1ef2a0

2028192 has 48 divisors (see below), whose sum is σ = 5477472. Its totient is φ = 656640.

The previous prime is 2028179. The next prime is 2028197. The reversal of 2028192 is 2918202.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×20281922 = 8227125577728, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (2028197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3267 + ... + 3837.

It is an arithmetic number, because the mean of its divisors is an integer number (114114).

22028192 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2028192, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2738736).

2028192 is an abundant number, since it is smaller than the sum of its proper divisors (3449280).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2028192 is a wasteful number, since it uses less digits than its factorization.

2028192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 621 (or 613 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 2028192 is about 1424.1460599250. The cubic root of 2028192 is about 126.5813398870.

It can be divided in two parts, 2028 and 192, that multiplied together give a square (389376 = 6242).

The spelling of 2028192 in words is "two million, twenty-eight thousand, one hundred ninety-two".

Divisors: 1 2 3 4 6 8 12 16 24 32 37 48 74 96 111 148 222 296 444 571 592 888 1142 1184 1713 1776 2284 3426 3552 4568 6852 9136 13704 18272 21127 27408 42254 54816 63381 84508 126762 169016 253524 338032 507048 676064 1014096 2028192