Search a number
-
+
30100250 = 253120401
BaseRepresentation
bin111001011010…
…0101100011010
32002122020210002
41302310230122
530201202000
62553053002
7513563555
oct162645432
962566702
1030100250
1115a99844
12a0b7162
13630b7cb
143dd769c
1529988d5
hex1cb4b1a

30100250 has 16 divisors (see below), whose sum is σ = 56348136. Its totient is φ = 12040000.

The previous prime is 30100249. The next prime is 30100283. The reversal of 30100250 is 5200103.

It can be written as a sum of positive squares in 4 ways, for example, as 2042041 + 28058209 = 1429^2 + 5297^2 .

It is a Curzon number.

It is an unprimeable number.

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, 59951 + ... + 60450.

Almost surely, 230100250 is an apocalyptic number.

30100250 is a deficient number, since it is larger than the sum of its proper divisors (26247886).

30100250 is a wasteful number, since it uses less digits than its factorization.

30100250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120418 (or 120408 counting only the distinct ones).

The product of its (nonzero) digits is 30, while the sum is 11.

The square root of 30100250 is about 5486.3694735225. The cubic root of 30100250 is about 311.0689769565.

Adding to 30100250 its reverse (5200103), we get a palindrome (35300353).

The spelling of 30100250 in words is "thirty million, one hundred thousand, two hundred fifty".

Divisors: 1 2 5 10 25 50 125 250 120401 240802 602005 1204010 3010025 6020050 15050125 30100250