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389464252 = 22711371353
BaseRepresentation
bin10111001101101…
…100000010111100
31000010211211111221
4113031230002330
51244200324002
6102351323124
712436251202
oct2715540274
91003754457
10389464252
1118a92a291
12aa5204a4
13628c2c28
1439a21072
15242d1c37
hex1736c0bc

389464252 has 12 divisors (see below), whose sum is σ = 691162416. Its totient is φ = 191989280.

The previous prime is 389464247. The next prime is 389464279. The reversal of 389464252 is 252464983.

It is a junction number, because it is equal to n+sod(n) for n = 389464199 and 389464208.

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, 685393 + ... + 685960.

It is an arithmetic number, because the mean of its divisors is an integer number (57596868).

Almost surely, 2389464252 is an apocalyptic number.

It is an amenable number.

389464252 is a deficient number, since it is larger than the sum of its proper divisors (301698164).

389464252 is a wasteful number, since it uses less digits than its factorization.

389464252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1371428 (or 1371426 counting only the distinct ones).

The product of its digits is 414720, while the sum is 43.

The square root of 389464252 is about 19734.8486692956. The cubic root of 389464252 is about 730.2796526602.

The spelling of 389464252 in words is "three hundred eighty-nine million, four hundred sixty-four thousand, two hundred fifty-two".

Divisors: 1 2 4 71 142 284 1371353 2742706 5485412 97366063 194732126 389464252