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388002122 = 21671161683
BaseRepresentation
bin10111001000000…
…111000101001010
31000001002112211222
4113020013011022
51243312031442
6102300122042
712420651344
oct2710070512
91001075758
10388002122
1118a020812
12a9b36322
1362500571
1439760294
15240e38d2
hex1720714a

388002122 has 8 divisors (see below), whose sum is σ = 585488736. Its totient is φ = 192839212.

The previous prime is 388002119. The next prime is 388002127. The reversal of 388002122 is 221200883.

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

It is a junction number, because it is equal to n+sod(n) for n = 388002091 and 388002100.

It is not an unprimeable number, because it can be changed into a prime (388002127) 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, 580508 + ... + 581175.

It is an arithmetic number, because the mean of its divisors is an integer number (73186092).

Almost surely, 2388002122 is an apocalyptic number.

388002122 is a deficient number, since it is larger than the sum of its proper divisors (197486614).

388002122 is a wasteful number, since it uses less digits than its factorization.

388002122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1161852.

The product of its (nonzero) digits is 1536, while the sum is 26.

The square root of 388002122 is about 19697.7694676326. The cubic root of 388002122 is about 729.3646326213.

The spelling of 388002122 in words is "three hundred eighty-eight million, two thousand, one hundred twenty-two".

Divisors: 1 2 167 334 1161683 2323366 194001061 388002122