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3840124284 = 22324710721211
BaseRepresentation
bin1110010011100011…
…1010010101111100
3100220121212112012100
43210320322111330
530331032434114
61433015105100
7164106342423
oct34470722574
910817775170
103840124284
1116a0717237
128b2072190
134927756b9
142860182ba
151771e4909
hexe4e3a57c

3840124284 has 72 divisors (see below), whose sum is σ = 10006633728. Its totient is φ = 1241039520.

The previous prime is 3840124243. The next prime is 3840124297. The reversal of 3840124284 is 4824210483.

3840124284 is a `hidden beast` number, since 3 + 8 + 401 + 242 + 8 + 4 = 666.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 170439 + ... + 191649.

It is an arithmetic number, because the mean of its divisors is an integer number (138981024).

Almost surely, 23840124284 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 3840124284, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5003316864).

3840124284 is an abundant number, since it is smaller than the sum of its proper divisors (6166509444).

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

3840124284 is a wasteful number, since it uses less digits than its factorization.

3840124284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21375 (or 21370 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 36.

The square root of 3840124284 is about 61968.7363434176. The cubic root of 3840124284 is about 1565.9639505704.

The spelling of 3840124284 in words is "three billion, eight hundred forty million, one hundred twenty-four thousand, two hundred eighty-four".

Divisors: 1 2 3 4 6 9 12 18 36 47 94 107 141 188 214 282 321 423 428 564 642 846 963 1284 1692 1926 3852 5029 10058 15087 20116 21211 30174 42422 45261 60348 63633 84844 90522 127266 181044 190899 254532 381798 763596 996917 1993834 2269577 2990751 3987668 4539154 5981502 6808731 8972253 9078308 11963004 13617462 17944506 20426193 27234924 35889012 40852386 81704772 106670119 213340238 320010357 426680476 640020714 960031071 1280041428 1920062142 3840124284