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30428635 = 523326119
BaseRepresentation
bin111010000010…
…0110111011011
32010020221020111
41310010313123
530242204020
63004105151
7516432136
oct164046733
963227214
1030428635
11161a3536
12a2351b7
1363c5113
14408121d
152a10d5a
hex1d04ddb

30428635 has 8 divisors (see below), whose sum is σ = 36672480. Its totient is φ = 24237504.

The previous prime is 30428621. The next prime is 30428687. The reversal of 30428635 is 53682403.

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

It is a cyclic number.

It is not a de Polignac number, because 30428635 - 25 = 30428603 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30428597 and 30428606.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11895 + ... + 14224.

It is an arithmetic number, because the mean of its divisors is an integer number (4584060).

Almost surely, 230428635 is an apocalyptic number.

30428635 is a deficient number, since it is larger than the sum of its proper divisors (6243845).

30428635 is a wasteful number, since it uses less digits than its factorization.

30428635 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26357.

The product of its (nonzero) digits is 17280, while the sum is 31.

The square root of 30428635 is about 5516.2156411801. The cubic root of 30428635 is about 312.1961120492.

The spelling of 30428635 in words is "thirty million, four hundred twenty-eight thousand, six hundred thirty-five".

Divisors: 1 5 233 1165 26119 130595 6085727 30428635