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972904848 = 24320268851
BaseRepresentation
bin111001111111010…
…101100110010000
32111210200200112220
4321333111212100
53443030423343
6240312421040
733052361166
oct7177254620
92453620486
10972904848
1145a1a78a3
122319a7780
13126741456
14932d7236
155a62d183
hex39fd5990

972904848 has 20 divisors (see below), whose sum is σ = 2513337648. Its totient is φ = 324301600.

The previous prime is 972904843. The next prime is 972904927. The reversal of 972904848 is 848409279.

It is a self number, because there is not a number n which added to its sum of digits gives 972904848.

It is not an unprimeable number, because it can be changed into a prime (972904843) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 10134378 + ... + 10134473.

Almost surely, 2972904848 is an apocalyptic number.

It is an amenable number.

972904848 is an abundant number, since it is smaller than the sum of its proper divisors (1540432800).

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

972904848 is a wasteful number, since it uses less digits than its factorization.

972904848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20268862 (or 20268856 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 51.

The square root of 972904848 is about 31191.4226671372. The cubic root of 972904848 is about 990.8854602277.

The spelling of 972904848 in words is "nine hundred seventy-two million, nine hundred four thousand, eight hundred forty-eight".

Divisors: 1 2 3 4 6 8 12 16 24 48 20268851 40537702 60806553 81075404 121613106 162150808 243226212 324301616 486452424 972904848