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306055328 = 2529329801
BaseRepresentation
bin10010001111100…
…000100010100000
3210022220012222112
4102033200202200
51111322232303
650211454452
710404266405
oct2217404240
9708805875
10306055328
1114783a997
12865b7428
134b53b037
142c90c2ac
151bd080d8
hex123e08a0

306055328 has 24 divisors (see below), whose sum is σ = 623325780. Its totient is φ = 147750400.

The previous prime is 306055313. The next prime is 306055331. The reversal of 306055328 is 823550603.

It can be written as a sum of positive squares in 2 ways, for example, as 305970064 + 85264 = 17492^2 + 292^2 .

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a junction number, because it is equal to n+sod(n) for n = 306055294 and 306055303.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 163973 + ... + 165828.

Almost surely, 2306055328 is an apocalyptic number.

It is an amenable number.

306055328 is an abundant number, since it is smaller than the sum of its proper divisors (317270452).

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

306055328 is a wasteful number, since it uses less digits than its factorization.

306055328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329840 (or 329832 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 306055328 is about 17494.4370586767. The cubic root of 306055328 is about 673.9070216643.

The spelling of 306055328 in words is "three hundred six million, fifty-five thousand, three hundred twenty-eight".

Divisors: 1 2 4 8 16 29 32 58 116 232 464 928 329801 659602 1319204 2638408 5276816 9564229 10553632 19128458 38256916 76513832 153027664 306055328