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30125127 = 319528511
BaseRepresentation
bin111001011101…
…0110001000111
32002200111220110
41302322301013
530203001002
62553404103
7514026234
oct162726107
962614813
1030125127
11160064aa
12a109633
136319c26
14400278b
1529a0e6c
hex1cbac47

30125127 has 8 divisors (see below), whose sum is σ = 42280960. Its totient is φ = 19026360.

The previous prime is 30125111. The next prime is 30125191. The reversal of 30125127 is 72152103.

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

It is not a de Polignac number, because 30125127 - 24 = 30125111 is a prime.

It is a super-2 number, since 2×301251272 = 1815046553532258, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30125197) 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, 264199 + ... + 264312.

It is an arithmetic number, because the mean of its divisors is an integer number (5285120).

Almost surely, 230125127 is an apocalyptic number.

30125127 is a deficient number, since it is larger than the sum of its proper divisors (12155833).

30125127 is a wasteful number, since it uses less digits than its factorization.

30125127 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 528533.

The product of its (nonzero) digits is 420, while the sum is 21.

The square root of 30125127 is about 5488.6361693958. The cubic root of 30125127 is about 311.1546499110.

The spelling of 30125127 in words is "thirty million, one hundred twenty-five thousand, one hundred twenty-seven".

Divisors: 1 3 19 57 528511 1585533 10041709 30125127