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30255046 = 2149101527
BaseRepresentation
bin111001101101…
…0011111000110
32002221010010021
41303122133012
530221130141
63000245354
7515110063
oct163323706
962833107
1030255046
1116095078
12a17085a
1363640c3
144037c6a
1529c96d1
hex1cda7c6

30255046 has 8 divisors (see below), whose sum is σ = 45687600. Its totient is φ = 15025848.

The previous prime is 30255031. The next prime is 30255047. The reversal of 30255046 is 64055203.

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 30255046.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30255047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50466 + ... + 51061.

It is an arithmetic number, because the mean of its divisors is an integer number (5710950).

Almost surely, 230255046 is an apocalyptic number.

30255046 is a deficient number, since it is larger than the sum of its proper divisors (15432554).

30255046 is a wasteful number, since it uses less digits than its factorization.

30255046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101678.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 30255046 is about 5500.4587081443. The cubic root of 30255046 is about 311.6013083548.

The spelling of 30255046 in words is "thirty million, two hundred fifty-five thousand, forty-six".

Divisors: 1 2 149 298 101527 203054 15127523 30255046