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7242957568 = 287111093371
BaseRepresentation
bin1101011111011011…
…01100001100000000
3200200202220100220201
412233231230030000
5104313144120233
63154413414544
7344326060240
oct65755541400
920622810821
107242957568
113087508250
1214a179a454
138b5751012
144c9d21b20
152c5d0b77d
hex1afb6c300

7242957568 has 144 divisors (see below), whose sum is σ = 18195851520. Its totient is φ = 2795212800.

The previous prime is 7242957523. The next prime is 7242957571. The reversal of 7242957568 is 8657592427.

It is a super-4 number, since 4×72429575684 (a number of 41 digits) contains 4444 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2146923 + ... + 2150293.

It is an arithmetic number, because the mean of its divisors is an integer number (126360080).

Almost surely, 27242957568 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 7242957568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9097925760).

7242957568 is an abundant number, since it is smaller than the sum of its proper divisors (10952893952).

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

7242957568 is a wasteful number, since it uses less digits than its factorization.

7242957568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3514 (or 3500 counting only the distinct ones).

The product of its digits is 8467200, while the sum is 55.

The square root of 7242957568 is about 85105.5671974519. The cubic root of 7242957568 is about 1934.8114417638.

The spelling of 7242957568 in words is "seven billion, two hundred forty-two million, nine hundred fifty-seven thousand, five hundred sixty-eight".

Divisors: 1 2 4 7 8 11 14 16 22 28 32 44 56 64 77 88 109 112 128 154 176 218 224 256 308 352 436 448 616 704 763 872 896 1199 1232 1408 1526 1744 1792 2398 2464 2816 3052 3371 3488 4796 4928 6104 6742 6976 8393 9592 9856 12208 13484 13952 16786 19184 19712 23597 24416 26968 27904 33572 37081 38368 47194 48832 53936 67144 74162 76736 94388 97664 107872 134288 148324 153472 188776 195328 215744 259567 268576 296648 306944 367439 377552 431488 519134 537152 593296 734878 755104 862976 1038268 1074304 1186592 1469756 1510208 2076536 2148608 2373184 2572073 2939512 3020416 4041829 4153072 4746368 5144146 5879024 6040832 8083658 8306144 9492736 10288292 11758048 16167316 16612288 20576584 23516096 28292803 32334632 33224576 41153168 47032192 56585606 64669264 66449152 82306336 94064384 113171212 129338528 164612672 226342424 258677056 329225344 452684848 517354112 658450688 905369696 1034708224 1810739392 3621478784 7242957568