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1172307968 = 2211343
BaseRepresentation
bin100010111100000…
…0000000000000000
310000200220102012122
41011320000000000
54400102323333
6312154343412
741023311326
oct10570000000
93020812178
101172307968
11551812367
1228872ab68
13158b49b70
14b19a1d16
156cdba798
hex45e00000

1172307968 has 88 divisors (see below), whose sum is σ = 2583690648. Its totient is φ = 528482304.

The previous prime is 1172307893. The next prime is 1172307989. The reversal of 1172307968 is 8697032711.

It is a super-3 number, since 3×11723079683 (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27262955 + ... + 27262997.

It is an arithmetic number, because the mean of its divisors is an integer number (29360121).

Almost surely, 21172307968 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 1172307968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1291845324).

1172307968 is an abundant number, since it is smaller than the sum of its proper divisors (1411382680).

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

1172307968 is an frugal number, since it uses more digits than its factorization.

1172307968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98 (or 58 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 44.

The square root of 1172307968 is about 34238.9831624714. The cubic root of 1172307968 is about 1054.4206571880.

The spelling of 1172307968 in words is "one billion, one hundred seventy-two million, three hundred seven thousand, nine hundred sixty-eight".

Divisors: 1 2 4 8 13 16 26 32 43 52 64 86 104 128 172 208 256 344 416 512 559 688 832 1024 1118 1376 1664 2048 2236 2752 3328 4096 4472 5504 6656 8192 8944 11008 13312 16384 17888 22016 26624 32768 35776 44032 53248 65536 71552 88064 106496 131072 143104 176128 212992 262144 286208 352256 425984 524288 572416 704512 851968 1048576 1144832 1409024 1703936 2097152 2289664 2818048 3407872 4579328 5636096 6815744 9158656 11272192 13631488 18317312 22544384 27262976 36634624 45088768 73269248 90177536 146538496 293076992 586153984 1172307968