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4397228 = 221137273
BaseRepresentation
bin10000110001100010101100
322021101212022
4100301202230
52111202403
6234125312
752242623
oct20614254
98241768
104397228
112533780
121580838
13bac614
148266ba
155bcd38
hex4318ac

4397228 has 36 divisors (see below), whose sum is σ = 8745912. Its totient is φ = 1918080.

The previous prime is 4397207. The next prime is 4397233. The reversal of 4397228 is 8227934.

It is a super-2 number, since 2×43972282 = 38671228167968, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 60200 + ... + 60272.

It is an arithmetic number, because the mean of its divisors is an integer number (242942).

Almost surely, 24397228 is an apocalyptic number.

It is an amenable number.

4397228 is a deficient number, since it is larger than the sum of its proper divisors (4348684).

4397228 is a wasteful number, since it uses less digits than its factorization.

4397228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162 (or 123 counting only the distinct ones).

The product of its digits is 24192, while the sum is 35.

The square root of 4397228 is about 2096.9568426651. The cubic root of 4397228 is about 163.8298353978.

It can be divided in two parts, 439 and 7228, that added together give a palindrome (7667).

The spelling of 4397228 in words is "four million, three hundred ninety-seven thousand, two hundred twenty-eight".

Divisors: 1 2 4 11 22 37 44 73 74 146 148 292 407 803 814 1369 1606 1628 2701 2738 3212 5402 5476 10804 15059 29711 30118 59422 60236 99937 118844 199874 399748 1099307 2198614 4397228