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30055107 = 329345461
BaseRepresentation
bin111001010100…
…1101011000011
32002112221212010
41302221223003
530143230412
62552104003
7513315135
oct162515303
962487763
1030055107
1115a68935
12a095003
1362c40b4
143dc5055
15298a33c
hex1ca9ac3

30055107 has 8 divisors (see below), whose sum is σ = 41455440. Its totient is φ = 19345760.

The previous prime is 30055097. The next prime is 30055111. The reversal of 30055107 is 70155003.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 30055107 - 210 = 30054083 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30055147) 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, 172644 + ... + 172817.

It is an arithmetic number, because the mean of its divisors is an integer number (5181930).

Almost surely, 230055107 is an apocalyptic number.

30055107 is a deficient number, since it is larger than the sum of its proper divisors (11400333).

30055107 is a wasteful number, since it uses less digits than its factorization.

30055107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 345493.

The product of its (nonzero) digits is 525, while the sum is 21.

The square root of 30055107 is about 5482.2538248425. The cubic root of 30055107 is about 310.9133900668.

The spelling of 30055107 in words is "thirty million, fifty-five thousand, one hundred seven".

Divisors: 1 3 29 87 345461 1036383 10018369 30055107