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308270896 = 24193532
BaseRepresentation
bin10010010111111…
…101011100110000
3210111001210011121
4102113331130300
51112404132041
650331152024
710432154653
oct2227753460
9714053147
10308270896
1114901353a
12872a5614
134bb3561b
142cd2789a
151c0e47d1
hex125fd730

308270896 has 60 divisors (see below), whose sum is σ = 642571720. Its totient is φ = 143267904.

The previous prime is 308270891. The next prime is 308270927. The reversal of 308270896 is 698072803.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It is not an unprimeable number, because it can be changed into a prime (308270891) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5816406 + ... + 5816458.

Almost surely, 2308270896 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 308270896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (321285860).

308270896 is an abundant number, since it is smaller than the sum of its proper divisors (334300824).

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

308270896 is an frugal number, since it uses more digits than its factorization.

308270896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171 (or 74 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 43.

The square root of 308270896 is about 17557.6449445818. The cubic root of 308270896 is about 675.5292755981.

The spelling of 308270896 in words is "three hundred eight million, two hundred seventy thousand, eight hundred ninety-six".

Divisors: 1 2 4 8 16 19 38 53 76 106 152 212 304 361 424 722 848 1007 1444 2014 2809 2888 4028 5618 5776 6859 8056 11236 13718 16112 19133 22472 27436 38266 44944 53371 54872 76532 106742 109744 153064 213484 306128 363527 426968 727054 853936 1014049 1454108 2028098 2908216 4056196 5816432 8112392 16224784 19266931 38533862 77067724 154135448 308270896