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4557428 = 221767021
BaseRepresentation
bin10001011000101001110100
322120112121122
4101120221310
52131314203
6241403112
753510651
oct21305164
98515548
104557428
112633077
121639498
13c37505
14868c28
15600538
hex458a74

4557428 has 12 divisors (see below), whose sum is σ = 8444772. Its totient is φ = 2144640.

The previous prime is 4557409. The next prime is 4557433. The reversal of 4557428 is 8247554.

4557428 = T397 + T398 + ... + T447.

It can be written as a sum of positive squares in 2 ways, for example, as 1926544 + 2630884 = 1388^2 + 1622^2 .

It is a congruent number.

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, 33443 + ... + 33578.

It is an arithmetic number, because the mean of its divisors is an integer number (703731).

Almost surely, 24557428 is an apocalyptic number.

It is an amenable number.

4557428 is a deficient number, since it is larger than the sum of its proper divisors (3887344).

4557428 is a wasteful number, since it uses less digits than its factorization.

4557428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67042 (or 67040 counting only the distinct ones).

The product of its digits is 44800, while the sum is 35.

The square root of 4557428 is about 2134.8133407865. The cubic root of 4557428 is about 165.7957035792.

The spelling of 4557428 in words is "four million, five hundred fifty-seven thousand, four hundred twenty-eight".

Divisors: 1 2 4 17 34 68 67021 134042 268084 1139357 2278714 4557428