Search a number
-
+
30603089 = 112782099
BaseRepresentation
bin111010010111…
…1011101010001
32010120210112202
41310233131101
530313244324
63011532545
7521056556
oct164573521
963523482
1030603089
1116302610
12a2ba155
13645664a
1440c8a2d
152a478ae
hex1d2f751

30603089 has 4 divisors (see below), whose sum is σ = 33385200. Its totient is φ = 27820980.

The previous prime is 30603073. The next prime is 30603103. The reversal of 30603089 is 98030603.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 30603089 - 24 = 30603073 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (30603049) 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, 1391039 + ... + 1391060.

It is an arithmetic number, because the mean of its divisors is an integer number (8346300).

Almost surely, 230603089 is an apocalyptic number.

It is an amenable number.

30603089 is a deficient number, since it is larger than the sum of its proper divisors (2782111).

30603089 is a wasteful number, since it uses less digits than its factorization.

30603089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2782110.

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 30603089 is about 5532.0058749065. The cubic root of 30603089 is about 312.7916049284.

The spelling of 30603089 in words is "thirty million, six hundred three thousand, eighty-nine".

Divisors: 1 11 2782099 30603089