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972804772 = 221811343653
BaseRepresentation
bin111001111110111…
…101001010100100
32111210111121021101
4321332331022210
53443014223042
6240310325444
733051463342
oct7176751244
92453447241
10972804772
1145a139695
12231959884
13126707a34
14932ac992
155a60d6b7
hex39fbd2a4

972804772 has 12 divisors (see below), whose sum is σ = 1711815196. Its totient is φ = 483714720.

The previous prime is 972804761. The next prime is 972804779. The reversal of 972804772 is 277408279.

It can be written as a sum of positive squares in 2 ways, for example, as 82737216 + 890067556 = 9096^2 + 29834^2 .

It is not an unprimeable number, because it can be changed into a prime (972804779) 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, 671103 + ... + 672550.

Almost surely, 2972804772 is an apocalyptic number.

It is an amenable number.

972804772 is a deficient number, since it is larger than the sum of its proper divisors (739010424).

972804772 is a wasteful number, since it uses less digits than its factorization.

972804772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1343838 (or 1343836 counting only the distinct ones).

The product of its (nonzero) digits is 395136, while the sum is 46.

The square root of 972804772 is about 31189.8184028057. The cubic root of 972804772 is about 990.8514838823.

The spelling of 972804772 in words is "nine hundred seventy-two million, eight hundred four thousand, seven hundred seventy-two".

Divisors: 1 2 4 181 362 724 1343653 2687306 5374612 243201193 486402386 972804772