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389104252 = 22293898623
BaseRepresentation
bin10111001100010…
…100001001111100
31000010011112200121
4113030110021330
51244102314002
6102335504324
712433221505
oct2714241174
91003145617
10389104252
1118a703869
12aa3880a4
13627c8104
1439969bac
1524260237
hex1731427c

389104252 has 24 divisors (see below), whose sum is σ = 706305600. Its totient is φ = 187338816.

The previous prime is 389104231. The next prime is 389104253. The reversal of 389104252 is 252401983.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (389104253) 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, 40813 + ... + 49435.

It is an arithmetic number, because the mean of its divisors is an integer number (29429400).

Almost surely, 2389104252 is an apocalyptic number.

It is an amenable number.

389104252 is a deficient number, since it is larger than the sum of its proper divisors (317201348).

389104252 is a wasteful number, since it uses less digits than its factorization.

389104252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9045 (or 9043 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 389104252 is about 19725.7256393776. The cubic root of 389104252 is about 730.0545727639.

The spelling of 389104252 in words is "three hundred eighty-nine million, one hundred four thousand, two hundred fifty-two".

Divisors: 1 2 4 29 58 116 389 778 1556 8623 11281 17246 22562 34492 45124 250067 500134 1000268 3354347 6708694 13417388 97276063 194552126 389104252