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38042428 = 229510607
BaseRepresentation
bin1001000100011…
…1101100111100
32122120202101211
42101013230330
534214324203
63435214204
7641232604
oct221075474
978522354
1038042428
111a523926
12108a7364
137b5c818
1450a3c04
153516c6d
hex2447b3c

38042428 has 6 divisors (see below), whose sum is σ = 66574256. Its totient is φ = 19021212.

The previous prime is 38042387. The next prime is 38042429. The reversal of 38042428 is 82424083.

38042428 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 38042428.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38042429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4755300 + ... + 4755307.

Almost surely, 238042428 is an apocalyptic number.

It is an amenable number.

38042428 is a deficient number, since it is larger than the sum of its proper divisors (28531828).

38042428 is a wasteful number, since it uses less digits than its factorization.

38042428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9510611 (or 9510609 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 31.

The square root of 38042428 is about 6167.8544081390. The cubic root of 38042428 is about 336.3226186077.

The spelling of 38042428 in words is "thirty-eight million, forty-two thousand, four hundred twenty-eight".

Divisors: 1 2 4 9510607 19021214 38042428