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387000014 = 21511281457
BaseRepresentation
bin10111000100010…
…010011011001110
3222222012122012212
4113010102123032
51243033000024
6102222430422
712406305632
oct2704223316
9888178185
10387000014
111894a6925
12a9732412
136223c3bb
143957cdc2
1523e96a0e
hex171126ce

387000014 has 8 divisors (see below), whose sum is σ = 584344848. Its totient is φ = 192218400.

The previous prime is 387000013. The next prime is 387000017. The reversal of 387000014 is 410000783.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (387000013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 640427 + ... + 641030.

It is an arithmetic number, because the mean of its divisors is an integer number (73043106).

Almost surely, 2387000014 is an apocalyptic number.

387000014 is a deficient number, since it is larger than the sum of its proper divisors (197344834).

387000014 is a wasteful number, since it uses less digits than its factorization.

387000014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1281610.

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 387000014 is about 19672.3159287360. The cubic root of 387000014 is about 728.7361718997.

Adding to 387000014 its reverse (410000783), we get a palindrome (797000797).

The spelling of 387000014 in words is "three hundred eighty-seven million, fourteen", and thus it is an aban number.

Divisors: 1 2 151 302 1281457 2562914 193500007 387000014