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1994102584 = 231719973681
BaseRepresentation
bin111011011011011…
…1001011100111000
312010222020220111021
41312312321130320
513040442240314
6525512312224
7100262410105
oct16666713470
95128226437
101994102584
11933689871
124779a2674
1325a190c76
1414cba1aac
15ba0ea324
hex76db9738

1994102584 has 32 divisors (see below), whose sum is σ = 3978828000. Its totient is φ = 933672960.

The previous prime is 1994102543. The next prime is 1994102629. The reversal of 1994102584 is 4852014991.

It is a self number, because there is not a number n which added to its sum of digits gives 1994102584.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9777 + ... + 63904.

It is an arithmetic number, because the mean of its divisors is an integer number (124338375).

Almost surely, 21994102584 is an apocalyptic number.

It is an amenable number.

1994102584 is a deficient number, since it is larger than the sum of its proper divisors (1984725416).

1994102584 is a wasteful number, since it uses less digits than its factorization.

1994102584 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73903 (or 73899 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 43.

The square root of 1994102584 is about 44655.3757570127. The cubic root of 1994102584 is about 1258.6814509305.

The spelling of 1994102584 in words is "one billion, nine hundred ninety-four million, one hundred two thousand, five hundred eighty-four".

Divisors: 1 2 4 8 17 34 68 136 199 398 796 1592 3383 6766 13532 27064 73681 147362 294724 589448 1252577 2505154 5010308 10020616 14662519 29325038 58650076 117300152 249262823 498525646 997051292 1994102584