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38141839 = 713891381
BaseRepresentation
bin1001000101111…
…1111110001111
32122202210202201
42101133332033
534231014324
63441302331
7642125461
oct221377617
978683681
1038141839
111a59158a
12109349a7
137b95b48
1450cc131
153536444
hex245ff8f

38141839 has 8 divisors (see below), whose sum is σ = 38806560. Its totient is φ = 37480800.

The previous prime is 38141833. The next prime is 38141869. The reversal of 38141839 is 93814183.

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

It is a cyclic number.

It is not a de Polignac number, because 38141839 - 217 = 38010767 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 38141798 and 38141807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38141833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26929 + ... + 28309.

It is an arithmetic number, because the mean of its divisors is an integer number (4850820).

Almost surely, 238141839 is an apocalyptic number.

38141839 is a deficient number, since it is larger than the sum of its proper divisors (664721).

38141839 is a wasteful number, since it uses less digits than its factorization.

38141839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1841.

The product of its digits is 20736, while the sum is 37.

The square root of 38141839 is about 6175.9079494435. The cubic root of 38141839 is about 336.6153188798.

The spelling of 38141839 in words is "thirty-eight million, one hundred forty-one thousand, eight hundred thirty-nine".

Divisors: 1 71 389 1381 27619 98051 537209 38141839