Search a number
-
+
30900102 = 2310748131
BaseRepresentation
bin111010111011…
…1111110000110
32011010212222020
41311313332012
530402300402
63022144010
7523434522
oct165677606
964125866
1030900102
1116495782
12a422006
13652b8ac
144164d82
152aa58bc
hex1d77f86

30900102 has 16 divisors (see below), whose sum is σ = 62379072. Its totient is φ = 10203560.

The previous prime is 30900091. The next prime is 30900127. The reversal of 30900102 is 20100903.

It is a super-2 number, since 2×309001022 = 1909632607220808, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23424 + ... + 24707.

It is an arithmetic number, because the mean of its divisors is an integer number (3898692).

Almost surely, 230900102 is an apocalyptic number.

30900102 is an abundant number, since it is smaller than the sum of its proper divisors (31478970).

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

30900102 is a wasteful number, since it uses less digits than its factorization.

30900102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48243.

The product of its (nonzero) digits is 54, while the sum is 15.

The square root of 30900102 is about 5558.7860185476. The cubic root of 30900102 is about 313.8002637947.

The spelling of 30900102 in words is "thirty million, nine hundred thousand, one hundred two".

Divisors: 1 2 3 6 107 214 321 642 48131 96262 144393 288786 5150017 10300034 15450051 30900102