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972332064 = 253211535791
BaseRepresentation
bin111001111101001…
…001110000100000
32111202121120211200
4321331021300200
53442404111224
6240252241200
733044454234
oct7175116040
92452546750
10972332064
11459946520
12231770200
131265a0822
14931c85c4
155a5685c9
hex39f49c20

972332064 has 144 divisors (see below), whose sum is σ = 3073883904. Its totient is φ = 289036800.

The previous prime is 972332047. The next prime is 972332069. The reversal of 972332064 is 460233279.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (972332069) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 165009 + ... + 170799.

It is an arithmetic number, because the mean of its divisors is an integer number (21346416).

Almost surely, 2972332064 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 972332064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1536941952).

972332064 is an abundant number, since it is smaller than the sum of its proper divisors (2101551840).

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

972332064 is a wasteful number, since it uses less digits than its factorization.

972332064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5871 (or 5860 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 36.

The square root of 972332064 is about 31182.2395603651. The cubic root of 972332064 is about 990.6909654434.

The spelling of 972332064 in words is "nine hundred seventy-two million, three hundred thirty-two thousand, sixty-four".

Divisors: 1 2 3 4 6 8 9 11 12 16 18 22 24 32 33 36 44 48 53 66 72 88 96 99 106 132 144 159 176 198 212 264 288 318 352 396 424 477 528 583 636 792 848 954 1056 1166 1272 1584 1696 1749 1908 2332 2544 3168 3498 3816 4664 5088 5247 5791 6996 7632 9328 10494 11582 13992 15264 17373 18656 20988 23164 27984 34746 41976 46328 52119 55968 63701 69492 83952 92656 104238 127402 138984 167904 185312 191103 208476 254804 277968 306923 382206 416952 509608 555936 573309 613846 764412 833904 920769 1019216 1146618 1227692 1528824 1667808 1841538 2038432 2293236 2455384 2762307 3057648 3376153 3683076 4586472 4910768 5524614 6115296 6752306 7366152 9172944 9821536 10128459 11049228 13504612 14732304 18345888 20256918 22098456 27009224 29464608 30385377 40513836 44196912 54018448 60770754 81027672 88393824 108036896 121541508 162055344 243083016 324110688 486166032 972332064