Search a number
-
+
30752276 = 2212796011
BaseRepresentation
bin111010101001…
…1111000010100
32010212101012012
41311103320110
530333033101
63015043352
7522250532
oct165237024
963771165
1030752276
11163a4705
12a370558
1364a9519
144127152
152a76bbb
hex1d53e14

30752276 has 12 divisors (see below), whose sum is σ = 53867520. Its totient is φ = 15361560.

The previous prime is 30752273. The next prime is 30752287. The reversal of 30752276 is 67225703.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30752273) 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 3 ways as a sum of consecutive naturals, for example, 2111 + ... + 8121.

It is an arithmetic number, because the mean of its divisors is an integer number (4488960).

Almost surely, 230752276 is an apocalyptic number.

It is an amenable number.

30752276 is a deficient number, since it is larger than the sum of its proper divisors (23115244).

30752276 is a wasteful number, since it uses less digits than its factorization.

30752276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7294 (or 7292 counting only the distinct ones).

The product of its (nonzero) digits is 17640, while the sum is 32.

The square root of 30752276 is about 5545.4734694163. The cubic root of 30752276 is about 313.2990571630.

Adding to 30752276 its reverse (67225703), we get a palindrome (97977979).

The spelling of 30752276 in words is "thirty million, seven hundred fifty-two thousand, two hundred seventy-six".

Divisors: 1 2 4 1279 2558 5116 6011 12022 24044 7688069 15376138 30752276