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30225519 = 3223151967
BaseRepresentation
bin111001101001…
…1010001101111
32002212121121200
41303103101233
530214204034
62555500543
7514625022
oct163232157
962777550
1030225519
1116074975
12a157753
13635382c
14402b1b9
1529c0a99
hex1cd346f

30225519 has 24 divisors (see below), whose sum is σ = 45906432. Its totient is φ = 19126800.

The previous prime is 30225493. The next prime is 30225521. The reversal of 30225519 is 91552203.

It is not a de Polignac number, because 30225519 - 217 = 30094447 is a prime.

It is a super-2 number, since 2×302255192 = 1827163997638722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30225492 and 30225501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30225319) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30774 + ... + 31740.

It is an arithmetic number, because the mean of its divisors is an integer number (1912768).

Almost surely, 230225519 is an apocalyptic number.

30225519 is a deficient number, since it is larger than the sum of its proper divisors (15680913).

30225519 is a wasteful number, since it uses less digits than its factorization.

30225519 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1147 (or 1144 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 27.

The square root of 30225519 is about 5497.7740040857. The cubic root of 30225519 is about 311.4999076767.

The spelling of 30225519 in words is "thirty million, two hundred twenty-five thousand, five hundred nineteen".

Divisors: 1 3 9 23 69 151 207 453 967 1359 2901 3473 8703 10419 22241 31257 66723 146017 200169 438051 1314153 3358391 10075173 30225519