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3807228 = 223317269
BaseRepresentation
bin1110100001011111111100
321011102112110
432201133330
51433312403
6213334020
744234535
oct16413774
97142473
103807228
112170477
121337310
13a33bc9
1471168c
15503103
hex3a17fc

3807228 has 12 divisors (see below), whose sum is σ = 8883560. Its totient is φ = 1269072.

The previous prime is 3807227. The next prime is 3807229. The reversal of 3807228 is 8227083.

It is an interprime number because it is at equal distance from previous prime (3807227) and next prime (3807229).

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 3807195 and 3807204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3807227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 158623 + ... + 158646.

Almost surely, 23807228 is an apocalyptic number.

It is an amenable number.

3807228 is an abundant number, since it is smaller than the sum of its proper divisors (5076332).

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

3807228 is a wasteful number, since it uses less digits than its factorization.

3807228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317276 (or 317274 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 3807228 is about 1951.2119310828. The cubic root of 3807228 is about 156.1479529942.

The spelling of 3807228 in words is "three million, eight hundred seven thousand, two hundred twenty-eight".

Divisors: 1 2 3 4 6 12 317269 634538 951807 1269076 1903614 3807228