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38428626 = 236404771
BaseRepresentation
bin1001001010010…
…1111111010010
32200022101011110
42102211333102
534314204001
63451354150
7644431545
oct222457722
980271143
1038428626
111a767aa5
1210a52956
137c66542
14516485c
1535913d6
hex24a5fd2

38428626 has 8 divisors (see below), whose sum is σ = 76857264. Its totient is φ = 12809540.

The previous prime is 38428573. The next prime is 38428631. The reversal of 38428626 is 62682483.

It is a sphenic number, since it is the product of 3 distinct primes.

38428626 is an admirable 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, 3202380 + ... + 3202391.

It is an arithmetic number, because the mean of its divisors is an integer number (9607158).

Almost surely, 238428626 is an apocalyptic number.

38428626 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

38428626 is a wasteful number, since it uses less digits than its factorization.

38428626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6404776.

The product of its digits is 110592, while the sum is 39.

The square root of 38428626 is about 6199.0826740736. The cubic root of 38428626 is about 337.4568789902.

The spelling of 38428626 in words is "thirty-eight million, four hundred twenty-eight thousand, six hundred twenty-six".

Divisors: 1 2 3 6 6404771 12809542 19214313 38428626