Search a number
-
+
30124101 = 3719103733
BaseRepresentation
bin111001011101…
…0100001000101
32002200110111110
41302322201011
530202432401
62553355233
7514023240
oct162724105
962613443
1030124101
1116005757
12a108b19
136319617
144002257
1529a09d6
hex1cba845

30124101 has 32 divisors (see below), whose sum is σ = 48855040. Its totient is φ = 16127424.

The previous prime is 30124091. The next prime is 30124109. The reversal of 30124101 is 10142103.

It is a happy number.

It is not a de Polignac number, because 30124101 - 218 = 29861957 is a prime.

It is a super-2 number, since 2×301241012 = 1814922922116402, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30124109) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 40731 + ... + 41463.

It is an arithmetic number, because the mean of its divisors is an integer number (1526720).

Almost surely, 230124101 is an apocalyptic number.

It is an amenable number.

30124101 is a deficient number, since it is larger than the sum of its proper divisors (18730939).

30124101 is a wasteful number, since it uses less digits than its factorization.

30124101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 865.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 30124101 is about 5488.5427027582. The cubic root of 30124101 is about 311.1511174413.

Adding to 30124101 its reverse (10142103), we get a palindrome (40266204).

The spelling of 30124101 in words is "thirty million, one hundred twenty-four thousand, one hundred one".

Divisors: 1 3 7 19 21 57 103 133 309 399 721 733 1957 2163 2199 5131 5871 13699 13927 15393 41097 41781 75499 97489 226497 292467 528493 1434481 1585479 4303443 10041367 30124101