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4228972 = 2211223431
BaseRepresentation
bin10000001000011101101100
321221212001121
4100020131230
52040311342
6230350324
750642236
oct20103554
97855047
104228972
112429320
1214bb3a4
13b50b67
147c1256
15588067
hex40876c

4228972 has 24 divisors (see below), whose sum is σ = 8128512. Its totient is φ = 1909200.

The previous prime is 4228951. The next prime is 4228979. The reversal of 4228972 is 2798224.

4228972 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4228979) 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, 9597 + ... + 10027.

It is an arithmetic number, because the mean of its divisors is an integer number (338688).

Almost surely, 24228972 is an apocalyptic number.

It is an amenable number.

4228972 is a deficient number, since it is larger than the sum of its proper divisors (3899540).

4228972 is a wasteful number, since it uses less digits than its factorization.

4228972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 669 (or 667 counting only the distinct ones).

The product of its digits is 16128, while the sum is 34.

The square root of 4228972 is about 2056.4464495824. The cubic root of 4228972 is about 161.7130009726.

The spelling of 4228972 in words is "four million, two hundred twenty-eight thousand, nine hundred seventy-two".

Divisors: 1 2 4 11 22 44 223 431 446 862 892 1724 2453 4741 4906 9482 9812 18964 96113 192226 384452 1057243 2114486 4228972