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388479241 = 5316743891
BaseRepresentation
bin10111001001111…
…011100100001001
31000001222210100001
4113021323210021
51243422313431
6102314243001
712425006353
oct2711734411
91001883301
10388479241
1118a317227
12aa126461
1362639797
14398460d3
1524189e61
hex1727b909

388479241 has 8 divisors (see below), whose sum is σ = 398188224. Its totient is φ = 378858480.

The previous prime is 388479233. The next prime is 388479251. The reversal of 388479241 is 142974883.

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 388479241 - 23 = 388479233 is a prime.

It is a super-2 number, since 2×3884792412 = 301832241375872162, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 388479191 and 388479200.

It is not an unprimeable number, because it can be changed into a prime (388479211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13095 + ... + 30796.

It is an arithmetic number, because the mean of its divisors is an integer number (49773528).

Almost surely, 2388479241 is an apocalyptic number.

It is an amenable number.

388479241 is a deficient number, since it is larger than the sum of its proper divisors (9708983).

388479241 is a wasteful number, since it uses less digits than its factorization.

388479241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44111.

The product of its digits is 387072, while the sum is 46.

The square root of 388479241 is about 19709.8767373112. The cubic root of 388479241 is about 729.6634722077.

The spelling of 388479241 in words is "three hundred eighty-eight million, four hundred seventy-nine thousand, two hundred forty-one".

Divisors: 1 53 167 8851 43891 2326223 7329797 388479241