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384683142 = 23232787559
BaseRepresentation
bin10110111011011…
…100110010000110
3222210211221001210
4112323130302012
51241434330032
6102101032250
712350516124
oct2673346206
9883757053
10384683142
11188164158
12a89b5686
136190a97c
1439138914
1523b8a2cc
hex16edcc86

384683142 has 16 divisors (see below), whose sum is σ = 802817280. Its totient is φ = 122652552.

The previous prime is 384683137. The next prime is 384683149. The reversal of 384683142 is 241386483.

It is a happy number.

It is a super-2 number, since 2×3846831422 = 295962239477984328, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 384683142.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (384683149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1393642 + ... + 1393917.

It is an arithmetic number, because the mean of its divisors is an integer number (50176080).

Almost surely, 2384683142 is an apocalyptic number.

384683142 is an abundant number, since it is smaller than the sum of its proper divisors (418134138).

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

384683142 is a wasteful number, since it uses less digits than its factorization.

384683142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2787587.

The product of its digits is 110592, while the sum is 39.

The square root of 384683142 is about 19613.3409188746. The cubic root of 384683142 is about 727.2790065755.

The spelling of 384683142 in words is "three hundred eighty-four million, six hundred eighty-three thousand, one hundred forty-two".

Divisors: 1 2 3 6 23 46 69 138 2787559 5575118 8362677 16725354 64113857 128227714 192341571 384683142