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30258958 = 2107141397
BaseRepresentation
bin111001101101…
…1011100001110
32002221022111011
41303123130032
530221241313
63000315434
7515124352
oct163333416
962838434
1030258958
1116098004
12a172b7a
136365b12
144039462
1529ca93d
hex1cdb70e

30258958 has 8 divisors (see below), whose sum is σ = 45812952. Its totient is φ = 14987976.

The previous prime is 30258941. The next prime is 30258979. The reversal of 30258958 is 85985203.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 30258958.

It is a congruent number.

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, 70485 + ... + 70912.

It is an arithmetic number, because the mean of its divisors is an integer number (5726619).

Almost surely, 230258958 is an apocalyptic number.

30258958 is a deficient number, since it is larger than the sum of its proper divisors (15553994).

30258958 is a wasteful number, since it uses less digits than its factorization.

30258958 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141506.

The product of its (nonzero) digits is 86400, while the sum is 40.

The square root of 30258958 is about 5500.8143033555. The cubic root of 30258958 is about 311.6147378698.

The spelling of 30258958 in words is "thirty million, two hundred fifty-eight thousand, nine hundred fifty-eight".

Divisors: 1 2 107 214 141397 282794 15129479 30258958