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306968832 = 283389499
BaseRepresentation
bin10010010010111…
…111100100000000
3210101121122002000
4102102333210000
51112041000312
650243224000
710415122602
oct2222774400
9711548060
10306968832
11148304255
1286978000
134b79aa81
142caa9172
151be38adc
hex124bf900

306968832 has 144 divisors (see below), whose sum is σ = 919800000. Its totient is φ = 100970496.

The previous prime is 306968801. The next prime is 306968839. The reversal of 306968832 is 238869603.

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

It is a zygodrome in base 8.

It is not an unprimeable number, because it can be changed into a prime (306968839) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 614919 + ... + 615417.

It is an arithmetic number, because the mean of its divisors is an integer number (6387500).

Almost surely, 2306968832 is an apocalyptic number.

306968832 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 306968832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (459900000).

306968832 is an abundant number, since it is smaller than the sum of its proper divisors (612831168).

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

306968832 is an equidigital number, since it uses as much as digits as its factorization.

306968832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 613 (or 593 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 45.

The square root of 306968832 is about 17520.5260195007. The cubic root of 306968832 is about 674.5768409489.

The spelling of 306968832 in words is "three hundred six million, nine hundred sixty-eight thousand, eight hundred thirty-two".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 64 72 89 96 108 128 144 178 192 216 256 267 288 356 384 432 499 534 576 712 768 801 864 998 1068 1152 1424 1497 1602 1728 1996 2136 2304 2403 2848 2994 3204 3456 3992 4272 4491 4806 5696 5988 6408 6912 7984 8544 8982 9612 11392 11976 12816 13473 15968 17088 17964 19224 22784 23952 25632 26946 31936 34176 35928 38448 44411 47904 51264 53892 63872 68352 71856 76896 88822 95808 102528 107784 127744 133233 143712 153792 177644 191616 205056 215568 266466 287424 307584 355288 383232 399699 431136 532932 574848 615168 710576 799398 862272 1065864 1149696 1199097 1421152 1598796 1724544 2131728 2398194 2842304 3197592 3449088 4263456 4796388 5684608 6395184 8526912 9592776 11369216 12790368 17053824 19185552 25580736 34107648 38371104 51161472 76742208 102322944 153484416 306968832