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1989352 = 23435783
BaseRepresentation
bin111100101101011101000
310202001212201
413211223220
51002124402
6110345544
722623601
oct7455350
93661781
101989352
1111396a2
127bb2b4
13548641
1439ada8
15294687
hex1e5ae8

1989352 has 16 divisors (see below), whose sum is σ = 3817440. Its totient is φ = 971376.

The previous prime is 1989341. The next prime is 1989353. The reversal of 1989352 is 2539891.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (1989353) 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, 2548 + ... + 3235.

It is an arithmetic number, because the mean of its divisors is an integer number (238590).

21989352 is an apocalyptic number.

It is an amenable number.

1989352 is a deficient number, since it is larger than the sum of its proper divisors (1828088).

1989352 is a wasteful number, since it uses less digits than its factorization.

1989352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5832 (or 5828 counting only the distinct ones).

The product of its digits is 19440, while the sum is 37.

The square root of 1989352 is about 1410.4439017558. The cubic root of 1989352 is about 125.7681130179.

The spelling of 1989352 in words is "one million, nine hundred eighty-nine thousand, three hundred fifty-two".

Divisors: 1 2 4 8 43 86 172 344 5783 11566 23132 46264 248669 497338 994676 1989352