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388839062 = 21711436443
BaseRepresentation
bin10111001011010…
…011011010010110
31000002200001220202
4113023103122112
51244020322222
6102330100502
712431035403
oct2713233226
91002601822
10388839062
1118a5425a7
12aa27a732
13627344b1
14398db2aa
152420b892
hex172d3696

388839062 has 8 divisors (see below), whose sum is σ = 617567976. Its totient is φ = 182983072.

The previous prime is 388839013. The next prime is 388839083. The reversal of 388839062 is 260938883.

It is a happy number.

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

It is a super-2 number, since 2×3888390622 = 302391632274079688, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 388838998 and 388839016.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5718188 + ... + 5718255.

It is an arithmetic number, because the mean of its divisors is an integer number (77195997).

Almost surely, 2388839062 is an apocalyptic number.

388839062 is a deficient number, since it is larger than the sum of its proper divisors (228728914).

388839062 is a wasteful number, since it uses less digits than its factorization.

388839062 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11436462.

The product of its (nonzero) digits is 497664, while the sum is 47.

The square root of 388839062 is about 19719.0025609816. The cubic root of 388839062 is about 729.8886813431. Note that the first 3 decimals are identical.

The spelling of 388839062 in words is "three hundred eighty-eight million, eight hundred thirty-nine thousand, sixty-two".

Divisors: 1 2 17 34 11436443 22872886 194419531 388839062