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388093244 = 227113373739
BaseRepresentation
bin10111001000011…
…101010100111100
31000001021011211212
4113020131110330
51243322440434
6102302103552
712421511120
oct2710352474
91001234755
10388093244
1118a083220
12a9b7abb8
1362532b96
1439785580
15241108ce
hex1721d53c

388093244 has 48 divisors (see below), whose sum is σ = 849488640. Its totient is φ = 150716160.

The previous prime is 388093243. The next prime is 388093261. The reversal of 388093244 is 442390883.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (388093243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 101927 + ... + 105665.

It is an arithmetic number, because the mean of its divisors is an integer number (17697680).

Almost surely, 2388093244 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 388093244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (424744320).

388093244 is an abundant number, since it is smaller than the sum of its proper divisors (461395396).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

388093244 is a wasteful number, since it uses less digits than its factorization.

388093244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4098 (or 4096 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 41.

The square root of 388093244 is about 19700.0823348533. The cubic root of 388093244 is about 729.4217250599.

The spelling of 388093244 in words is "three hundred eighty-eight million, ninety-three thousand, two hundred forty-four".

Divisors: 1 2 4 7 11 14 22 28 44 77 154 308 337 674 1348 2359 3707 3739 4718 7414 7478 9436 14828 14956 25949 26173 41129 51898 52346 82258 103796 104692 164516 287903 575806 1151612 1260043 2520086 5040172 8820301 13860473 17640602 27720946 35281204 55441892 97023311 194046622 388093244