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383386992 = 243171074391
BaseRepresentation
bin10110110110100…
…000010101110000
3222201102002002020
4112312200111300
51241121340432
6102013151440
712333510222
oct2666402560
9881362066
10383386992
1118745935a
12a848b580
1361575a11
1438cbc412
15239d122c
hex16da0570

383386992 has 80 divisors (see below), whose sum is σ = 1058717952. Its totient is φ = 119127040.

The previous prime is 383386987. The next prime is 383387003. The reversal of 383386992 is 299683383.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 85117 + ... + 89507.

Almost surely, 2383386992 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 383386992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (529358976).

383386992 is an abundant number, since it is smaller than the sum of its proper divisors (675330960).

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

383386992 is a wasteful number, since it uses less digits than its factorization.

383386992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4526 (or 4520 counting only the distinct ones).

The product of its digits is 1679616, while the sum is 51.

The square root of 383386992 is about 19580.2704782135. The cubic root of 383386992 is about 726.4612570198.

The spelling of 383386992 in words is "three hundred eighty-three million, three hundred eighty-six thousand, nine hundred ninety-two".

Divisors: 1 2 3 4 6 8 12 16 17 24 34 48 51 68 102 107 136 204 214 272 321 408 428 642 816 856 1284 1712 1819 2568 3638 4391 5136 5457 7276 8782 10914 13173 14552 17564 21828 26346 29104 35128 43656 52692 70256 74647 87312 105384 149294 210768 223941 298588 447882 469837 597176 895764 939674 1194352 1409511 1791528 1879348 2819022 3583056 3758696 5638044 7517392 7987229 11276088 15974458 22552176 23961687 31948916 47923374 63897832 95846748 127795664 191693496 383386992