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3838430 = 251767337
BaseRepresentation
bin1110101001000111011110
321020000100002
432221013132
51440312210
6214134302
744424521
oct16510736
97200302
103838430
112191962
121351392
13a4517b
1471cbb8
1550c4a5
hex3a91de

3838430 has 32 divisors (see below), whose sum is σ = 7446816. Its totient is φ = 1419264.

The previous prime is 3838423. The next prime is 3838433. The reversal of 3838430 is 348383.

It is an Ulam number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 3838393 and 3838402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3838433) 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 15 ways as a sum of consecutive naturals, for example, 11222 + ... + 11558.

It is an arithmetic number, because the mean of its divisors is an integer number (232713).

Almost surely, 23838430 is an apocalyptic number.

3838430 is a deficient number, since it is larger than the sum of its proper divisors (3608386).

3838430 is a wasteful number, since it uses less digits than its factorization.

3838430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 428.

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 3838430 is about 1959.1911596371. The cubic root of 3838430 is about 156.5733612716.

The spelling of 3838430 in words is "three million, eight hundred thirty-eight thousand, four hundred thirty".

Divisors: 1 2 5 10 17 34 67 85 134 170 335 337 670 674 1139 1685 2278 3370 5695 5729 11390 11458 22579 28645 45158 57290 112895 225790 383843 767686 1919215 3838430