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308070064 = 24314115149
BaseRepresentation
bin10010010111001…
…100011010110000
3210110200120200101
4102113030122300
51112331220224
650323002144
710430360311
oct2227143260
9713616611
10308070064
11148996665
1287209354
134ba950a3
142ccb4608
151c0a5044
hex125cc6b0

308070064 has 40 divisors (see below), whose sum is σ = 631209600. Its totient is φ = 145420800.

The previous prime is 308070053. The next prime is 308070067. The reversal of 308070064 is 460070803.

It is not an unprimeable number, because it can be changed into a prime (308070067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12762 + ... + 27910.

It is an arithmetic number, because the mean of its divisors is an integer number (15780240).

Almost surely, 2308070064 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 308070064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (315604800).

308070064 is an abundant number, since it is smaller than the sum of its proper divisors (323139536).

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

308070064 is a wasteful number, since it uses less digits than its factorization.

308070064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15229 (or 15223 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 308070064 is about 17551.9247947341. The cubic root of 308070064 is about 675.3825460284.

The spelling of 308070064 in words is "three hundred eight million, seventy thousand, sixty-four".

Divisors: 1 2 4 8 16 31 41 62 82 124 164 248 328 496 656 1271 2542 5084 10168 15149 20336 30298 60596 121192 242384 469619 621109 939238 1242218 1878476 2484436 3756952 4968872 7513904 9937744 19254379 38508758 77017516 154035032 308070064