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2420228 = 221514007
BaseRepresentation
bin1001001110111000000100
311112221221002
421032320010
51104421403
6123512432
726400026
oct11167004
94487832
102420228
111403398
12988718
136697b5
14470016
1532c188
hex24ee04

2420228 has 12 divisors (see below), whose sum is σ = 4264512. Its totient is φ = 1201800.

The previous prime is 2420213. The next prime is 2420237. The reversal of 2420228 is 8220242.

It is a hoax number, since the sum of its digits (20) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1400 + ... + 2607.

It is an arithmetic number, because the mean of its divisors is an integer number (355376).

22420228 is an apocalyptic number.

It is an amenable number.

2420228 is a deficient number, since it is larger than the sum of its proper divisors (1844284).

2420228 is a wasteful number, since it uses less digits than its factorization.

2420228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4162 (or 4160 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 2420228 is about 1555.7081988599. The cubic root of 2420228 is about 134.2616851096.

It can be divided in two parts, 2 and 420228, that multiplied together give a triangular number (840456 = T1296).

The spelling of 2420228 in words is "two million, four hundred twenty thousand, two hundred twenty-eight".

Divisors: 1 2 4 151 302 604 4007 8014 16028 605057 1210114 2420228