Search a number
-
+
30276249 = 337272759
BaseRepresentation
bin111001101111…
…1101010011001
32002222012012120
41303133222121
530222314444
63000531453
7515225643
oct163375231
962865176
1030276249
11160a9aa3
12a180b89
136370953
144041893
1529d0b19
hex1cdfa99

30276249 has 8 divisors (see below), whose sum is σ = 41459520. Its totient is φ = 19638576.

The previous prime is 30276241. The next prime is 30276277. The reversal of 30276249 is 94267203.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 30276249 - 23 = 30276241 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30276241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 136269 + ... + 136490.

It is an arithmetic number, because the mean of its divisors is an integer number (5182440).

Almost surely, 230276249 is an apocalyptic number.

It is an amenable number.

30276249 is a deficient number, since it is larger than the sum of its proper divisors (11183271).

30276249 is a wasteful number, since it uses less digits than its factorization.

30276249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272799.

The product of its (nonzero) digits is 18144, while the sum is 33.

The square root of 30276249 is about 5502.3857552883. The cubic root of 30276249 is about 311.6740823284.

The spelling of 30276249 in words is "thirty million, two hundred seventy-six thousand, two hundred forty-nine".

Divisors: 1 3 37 111 272759 818277 10092083 30276249