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308828534 = 2787725153
BaseRepresentation
bin10010011010000…
…101100101110110
3210112010010002212
4102122011211312
51113030003114
650351133422
710436666510
oct2232054566
9715103085
10308828534
111493644a3
1287514272
134bc9c3a1
142d030bb0
151c1a4b3e
hex12685976

308828534 has 16 divisors (see below), whose sum is σ = 530045088. Its totient is φ = 132198912.

The previous prime is 308828519. The next prime is 308828563. The reversal of 308828534 is 435828803.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 308828491 and 308828500.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 299 + ... + 24854.

It is an arithmetic number, because the mean of its divisors is an integer number (33127818).

Almost surely, 2308828534 is an apocalyptic number.

308828534 is a deficient number, since it is larger than the sum of its proper divisors (221216554).

308828534 is a wasteful number, since it uses less digits than its factorization.

308828534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26039.

The product of its (nonzero) digits is 184320, while the sum is 41.

The square root of 308828534 is about 17573.5179744979. The cubic root of 308828534 is about 675.9363568225.

The spelling of 308828534 in words is "three hundred eight million, eight hundred twenty-eight thousand, five hundred thirty-four".

Divisors: 1 2 7 14 877 1754 6139 12278 25153 50306 176071 352142 22059181 44118362 154414267 308828534