[go: up one dir, main page]

Search a number
-
+
30238098 = 23114311063
BaseRepresentation
bin111001101011…
…0010110010010
32002220020212120
41303112112102
530220104343
63000035110
7515006502
oct163262622
962806776
1030238098
1116083370
12a162a96
136359487
144031a02
1529c4683
hex1cd6592

30238098 has 32 divisors (see below), whose sum is σ = 66189312. Its totient is φ = 9133200.

The previous prime is 30238081. The next prime is 30238099. The reversal of 30238098 is 89083203.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (30238099) 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 15 ways as a sum of consecutive naturals, for example, 27915 + ... + 28977.

It is an arithmetic number, because the mean of its divisors is an integer number (2068416).

Almost surely, 230238098 is an apocalyptic number.

30238098 is an abundant number, since it is smaller than the sum of its proper divisors (35951214).

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

30238098 is a wasteful number, since it uses less digits than its factorization.

30238098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1510.

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 30238098 is about 5498.9178935496. The cubic root of 30238098 is about 311.5431141462.

The spelling of 30238098 in words is "thirty million, two hundred thirty-eight thousand, ninety-eight".

Divisors: 1 2 3 6 11 22 33 66 431 862 1063 1293 2126 2586 3189 4741 6378 9482 11693 14223 23386 28446 35079 70158 458153 916306 1374459 2748918 5039683 10079366 15119049 30238098