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4228868 = 227197949
BaseRepresentation
bin10000001000011100000100
321221211220202
4100020130010
52040310433
6230350032
750642030
oct20103404
97854822
104228868
112429236
1214bb318
13b50ab7
147c11c0
15587ee8
hex408704

4228868 has 24 divisors (see below), whose sum is σ = 8904000. Its totient is φ = 1716768.

The previous prime is 4228859. The next prime is 4228879. The reversal of 4228868 is 8688224.

It is a super-2 number, since 2×42288682 = 35766649122848, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3443 + ... + 4506.

It is an arithmetic number, because the mean of its divisors is an integer number (371000).

Almost surely, 24228868 is an apocalyptic number.

It is an amenable number.

4228868 is an abundant number, since it is smaller than the sum of its proper divisors (4675132).

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

4228868 is a wasteful number, since it uses less digits than its factorization.

4228868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7979 (or 7977 counting only the distinct ones).

The product of its digits is 49152, while the sum is 38.

The square root of 4228868 is about 2056.4211630889. The cubic root of 4228868 is about 161.7116753321.

The spelling of 4228868 in words is "four million, two hundred twenty-eight thousand, eight hundred sixty-eight".

Divisors: 1 2 4 7 14 19 28 38 76 133 266 532 7949 15898 31796 55643 111286 151031 222572 302062 604124 1057217 2114434 4228868