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38302638 = 2311580343
BaseRepresentation
bin1001001000011…
…1001110101110
32200001222100020
42102013032232
534301141023
63444543010
7643365333
oct222071656
980058306
1038302638
111a691380
12109b1a66
137c210aa
14513098a
153568de3
hex24873ae

38302638 has 16 divisors (see below), whose sum is σ = 83569536. Its totient is φ = 11606840.

The previous prime is 38302633. The next prime is 38302643. The reversal of 38302638 is 83620383.

38302638 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (38302633) and next prime (38302643).

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 38302599 and 38302608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38302631) 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 in 7 ways as a sum of consecutive naturals, for example, 290106 + ... + 290237.

It is an arithmetic number, because the mean of its divisors is an integer number (5223096).

Almost surely, 238302638 is an apocalyptic number.

38302638 is an abundant number, since it is smaller than the sum of its proper divisors (45266898).

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

38302638 is a wasteful number, since it uses less digits than its factorization.

38302638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 580359.

The product of its (nonzero) digits is 20736, while the sum is 33.

The square root of 38302638 is about 6188.9125054407. The cubic root of 38302638 is about 337.0876918434.

The spelling of 38302638 in words is "thirty-eight million, three hundred two thousand, six hundred thirty-eight".

Divisors: 1 2 3 6 11 22 33 66 580343 1160686 1741029 3482058 6383773 12767546 19151319 38302638