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2384138740 = 225169970163
BaseRepresentation
bin1000111000011011…
…0001000111110100
320011011011210111211
42032012301013310
514340314414430
61032324211204
7113036562544
oct21606610764
96134153454
102384138740
1110138697a5
12566539b04
132bcc242a9
141888d1324
15de49172a
hex8e1b11f4

2384138740 has 24 divisors (see below), whose sum is σ = 5009709600. Its totient is φ = 953080608.

The previous prime is 2384138717. The next prime is 2384138819. The reversal of 2384138740 is 478314832.

It is a junction number, because it is equal to n+sod(n) for n = 2384138693 and 2384138702.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1102 + ... + 69061.

It is an arithmetic number, because the mean of its divisors is an integer number (208737900).

Almost surely, 22384138740 is an apocalyptic number.

2384138740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2384138740 is an abundant number, since it is smaller than the sum of its proper divisors (2625570860).

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

2384138740 is a wasteful number, since it uses less digits than its factorization.

2384138740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71871 (or 71869 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 40.

The square root of 2384138740 is about 48827.6431952229. The cubic root of 2384138740 is about 1335.9099203312.

The spelling of 2384138740 in words is "two billion, three hundred eighty-four million, one hundred thirty-eight thousand, seven hundred forty".

Divisors: 1 2 4 5 10 20 1699 3398 6796 8495 16990 33980 70163 140326 280652 350815 701630 1403260 119206937 238413874 476827748 596034685 1192069370 2384138740