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1972263106 = 21189648323
BaseRepresentation
bin111010110001110…
…0101100011000010
312002110011100100201
41311203211203002
513014344404411
6523412235414
766605650132
oct16543454302
95073140321
101972263106
11922322510
1247060bb6a
132557b54b8
14149d18ac2
15b82343c1
hex758e58c2

1972263106 has 8 divisors (see below), whose sum is σ = 3227339664. Its totient is φ = 896483220.

The previous prime is 1972263103. The next prime is 1972263107. The reversal of 1972263106 is 6013622791.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (1972263103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44824140 + ... + 44824183.

It is an arithmetic number, because the mean of its divisors is an integer number (403417458).

Almost surely, 21972263106 is an apocalyptic number.

1972263106 is a deficient number, since it is larger than the sum of its proper divisors (1255076558).

1972263106 is a wasteful number, since it uses less digits than its factorization.

1972263106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89648336.

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 1972263106 is about 44410.1689481137. The cubic root of 1972263106 is about 1254.0695326918.

Adding to 1972263106 its reverse (6013622791), we get a palindrome (7985885897).

It can be divided in two parts, 19722 and 63106, that added together give a palindrome (82828).

The spelling of 1972263106 in words is "one billion, nine hundred seventy-two million, two hundred sixty-three thousand, one hundred six".

Divisors: 1 2 11 22 89648323 179296646 986131553 1972263106