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30958088 = 23717311049
BaseRepresentation
bin111011000011…
…0001000001000
32011020211111212
41312012020020
530411124323
63023312252
7524065550
oct166061010
964224455
1030958088
11165252a7
12a44b688
13654c0c5
14417c160
152ab7b78
hex1d86208

30958088 has 64 divisors (see below), whose sum is σ = 72576000. Its totient is φ = 12072960.

The previous prime is 30958073. The next prime is 30958091. The reversal of 30958088 is 88085903.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28988 + ... + 30036.

It is an arithmetic number, because the mean of its divisors is an integer number (1134000).

Almost surely, 230958088 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 30958088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36288000).

30958088 is an abundant number, since it is smaller than the sum of its proper divisors (41617912).

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

30958088 is a wasteful number, since it uses less digits than its factorization.

30958088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1110 (or 1106 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 41.

The square root of 30958088 is about 5563.9992810927. Note that the first 3 decimals coincide. The cubic root of 30958088 is about 313.9964298349.

The spelling of 30958088 in words is "thirty million, nine hundred fifty-eight thousand, eighty-eight".

Divisors: 1 2 4 7 8 14 17 28 31 34 56 62 68 119 124 136 217 238 248 434 476 527 868 952 1049 1054 1736 2098 2108 3689 4196 4216 7343 7378 8392 14686 14756 17833 29372 29512 32519 35666 58744 65038 71332 124831 130076 142664 227633 249662 260152 455266 499324 552823 910532 998648 1105646 1821064 2211292 3869761 4422584 7739522 15479044 30958088