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1972230594 = 23536201983
BaseRepresentation
bin111010110001101…
…1101100111000010
312002110002200202120
41311203131213002
513014342334334
6523411425110
766605453265
oct16543354702
95073080676
101972230594
11922300044
124705b5196
132557a3769
14149d0acdc
15b8229949
hex758dd9c2

1972230594 has 16 divisors (see below), whose sum is σ = 4018885632. Its totient is φ = 645006128.

The previous prime is 1972230563. The next prime is 1972230607. The reversal of 1972230594 is 4950322791.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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 7 ways as a sum of consecutive naturals, for example, 3100674 + ... + 3101309.

It is an arithmetic number, because the mean of its divisors is an integer number (251180352).

Almost surely, 21972230594 is an apocalyptic number.

1972230594 is an abundant number, since it is smaller than the sum of its proper divisors (2046655038).

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

1972230594 is a wasteful number, since it uses less digits than its factorization.

1972230594 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6202041.

The product of its (nonzero) digits is 136080, while the sum is 42.

The square root of 1972230594 is about 44409.8029043138. The cubic root of 1972230594 is about 1254.0626417024.

The spelling of 1972230594 in words is "one billion, nine hundred seventy-two million, two hundred thirty thousand, five hundred ninety-four".

Divisors: 1 2 3 6 53 106 159 318 6201983 12403966 18605949 37211898 328705099 657410198 986115297 1972230594