Search a number
-
+
30148463 = 171773439
BaseRepresentation
bin111001100000…
…0011101101111
32002201200220202
41303000131233
530204222323
62554104115
7514154252
oct163003557
962650822
1030148463
1116021a94
12a11b03b
136327737
14400b099
1529a7d28
hex1cc076f

30148463 has 4 divisors (see below), whose sum is σ = 31921920. Its totient is φ = 28375008.

The previous prime is 30148453. The next prime is 30148493. The reversal of 30148463 is 36484103.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 30148463 - 214 = 30132079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30148453) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 886703 + ... + 886736.

It is an arithmetic number, because the mean of its divisors is an integer number (7980480).

Almost surely, 230148463 is an apocalyptic number.

30148463 is a deficient number, since it is larger than the sum of its proper divisors (1773457).

30148463 is a wasteful number, since it uses less digits than its factorization.

30148463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1773456.

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 30148463 is about 5490.7616047321. The cubic root of 30148463 is about 311.2349730115.

The spelling of 30148463 in words is "thirty million, one hundred forty-eight thousand, four hundred sixty-three".

Divisors: 1 17 1773439 30148463