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30125463 = 310041821
BaseRepresentation
bin111001011101…
…0110110010111
32002200112100220
41302322312113
530203003323
62553405423
7514030224
oct162726627
962615326
1030125463
1116006785
12a109873
13631a124
14400294b
1529a10e3
hex1cbad97

30125463 has 4 divisors (see below), whose sum is σ = 40167288. Its totient is φ = 20083640.

The previous prime is 30125453. The next prime is 30125467. The reversal of 30125463 is 36452103.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-30125463 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30125467) 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, 5020908 + ... + 5020913.

It is an arithmetic number, because the mean of its divisors is an integer number (10041822).

Almost surely, 230125463 is an apocalyptic number.

30125463 is a deficient number, since it is larger than the sum of its proper divisors (10041825).

30125463 is a wasteful number, since it uses less digits than its factorization.

30125463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10041824.

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 30125463 is about 5488.6667780072. Note that the first 3 decimals coincide. The cubic root of 30125463 is about 311.1558067257.

Adding to 30125463 its reverse (36452103), we get a palindrome (66577566).

The spelling of 30125463 in words is "thirty million, one hundred twenty-five thousand, four hundred sixty-three".

Divisors: 1 3 10041821 30125463