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308242944 = 2932151443
BaseRepresentation
bin10010010111110…
…110101000000000
3210111000100211100
4102113312220000
51112402233234
650330414400
710432010322
oct2227665000
9714010740
10308242944
11148aa4539
1287291400
134bb25999
142cd1b612
151c0db399
hex125f6a00

308242944 has 120 divisors (see below), whose sum is σ = 897522912. Its totient is φ = 101836800.

The previous prime is 308242939. The next prime is 308242969. The reversal of 308242944 is 449242803.

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

It is a junction number, because it is equal to n+sod(n) for n = 308242899 and 308242908.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 695587 + ... + 696029.

Almost surely, 2308242944 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 308242944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (448761456).

308242944 is an abundant number, since it is smaller than the sum of its proper divisors (589279968).

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

308242944 is a wasteful number, since it uses less digits than its factorization.

308242944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 618 (or 599 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 36.

The square root of 308242944 is about 17556.8489200084. The cubic root of 308242944 is about 675.5088574471.

The spelling of 308242944 in words is "three hundred eight million, two hundred forty-two thousand, nine hundred forty-four".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 32 36 48 64 72 96 128 144 151 192 256 288 302 384 443 453 512 576 604 768 886 906 1152 1208 1329 1359 1536 1772 1812 2304 2416 2658 2718 3544 3624 3987 4608 4832 5316 5436 7088 7248 7974 9664 10632 10872 14176 14496 15948 19328 21264 21744 28352 28992 31896 38656 42528 43488 56704 57984 63792 66893 77312 85056 86976 113408 115968 127584 133786 170112 173952 200679 226816 231936 255168 267572 340224 347904 401358 510336 535144 602037 680448 695808 802716 1020672 1070288 1204074 1605432 2041344 2140576 2408148 3210864 4281152 4816296 6421728 8562304 9632592 12843456 17124608 19265184 25686912 34249216 38530368 51373824 77060736 102747648 154121472 308242944