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384531042 = 23721143391
BaseRepresentation
bin10110111010110…
…111101001100010
3222210120012102110
4112322313221202
51241414443132
6102053500150
712346313520
oct2672675142
9883505373
10384531042
1118806a955
12a8941656
136188667c
14390d9310
1523b5a1cc
hex16eb7a62

384531042 has 32 divisors (see below), whose sum is σ = 883113984. Its totient is φ = 109342800.

The previous prime is 384531031. The next prime is 384531071. The reversal of 384531042 is 240135483.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12834 + ... + 30557.

It is an arithmetic number, because the mean of its divisors is an integer number (27597312).

Almost surely, 2384531042 is an apocalyptic number.

384531042 is an abundant number, since it is smaller than the sum of its proper divisors (498582942).

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

384531042 is a wasteful number, since it uses less digits than its factorization.

384531042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43614.

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 384531042 is about 19609.4630727106. The cubic root of 384531042 is about 727.1831409073.

The spelling of 384531042 in words is "three hundred eighty-four million, five hundred thirty-one thousand, forty-two".

Divisors: 1 2 3 6 7 14 21 42 211 422 633 1266 1477 2954 4431 8862 43391 86782 130173 260346 303737 607474 911211 1822422 9155501 18311002 27466503 54933006 64088507 128177014 192265521 384531042