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307371828 = 22359434141
BaseRepresentation
bin10010010100100…
…001111100110100
3210102101002212210
4102110201330310
51112141344303
650300013420
710421421531
oct2224417464
9712332783
10307371828
1114855a005
1286b31270
134b8ac32a
142cb71d88
151beb8203
hex12521f34

307371828 has 24 divisors (see below), whose sum is σ = 729358560. Its totient is φ = 100720480.

The previous prime is 307371821. The next prime is 307371853. The reversal of 307371828 is 828173703.

307371828 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (307371821) 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, 216363 + ... + 217778.

It is an arithmetic number, because the mean of its divisors is an integer number (30389940).

Almost surely, 2307371828 is an apocalyptic number.

It is an amenable number.

307371828 is an abundant number, since it is smaller than the sum of its proper divisors (421986732).

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

307371828 is a wasteful number, since it uses less digits than its factorization.

307371828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 434207 (or 434205 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 39.

The square root of 307371828 is about 17532.0229294853. The cubic root of 307371828 is about 674.8719120467.

The spelling of 307371828 in words is "three hundred seven million, three hundred seventy-one thousand, eight hundred twenty-eight".

Divisors: 1 2 3 4 6 12 59 118 177 236 354 708 434141 868282 1302423 1736564 2604846 5209692 25614319 51228638 76842957 102457276 153685914 307371828