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1998348932 = 221313813643
BaseRepresentation
bin111011100011100…
…0110001010000100
312011021020122101102
41313013012022010
513043034131212
6530143315232
7100343454116
oct16707061204
95137218342
101998348932
1193601a148
124792abb18
1325b0199b8
1414d5893b6
15ba6885c2
hex771c6284

1998348932 has 12 divisors (see below), whose sum is σ = 3523807056. Its totient is φ = 991546920.

The previous prime is 1998348917. The next prime is 1998348943. The reversal of 1998348932 is 2398438991.

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, 1906298 + ... + 1907345.

It is an arithmetic number, because the mean of its divisors is an integer number (293650588).

Almost surely, 21998348932 is an apocalyptic number.

It is an amenable number.

1998348932 is a deficient number, since it is larger than the sum of its proper divisors (1525458124).

1998348932 is a wasteful number, since it uses less digits than its factorization.

1998348932 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3813778 (or 3813776 counting only the distinct ones).

The product of its digits is 3359232, while the sum is 56.

The square root of 1998348932 is about 44702.8962372686. The cubic root of 1998348932 is about 1259.5742518915.

The spelling of 1998348932 in words is "one billion, nine hundred ninety-eight million, three hundred forty-eight thousand, nine hundred thirty-two".

Divisors: 1 2 4 131 262 524 3813643 7627286 15254572 499587233 999174466 1998348932