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30530426 = 267713209
BaseRepresentation
bin111010001110…
…1101101111010
32010110002212112
41310131231322
530303433201
63010212322
7520334663
oct164355572
963402775
1030530426
1116262a63
12a2840a2
13642c554
1440aa36a
152a310bb
hex1d1db7a

30530426 has 16 divisors (see below), whose sum is σ = 47148480. Its totient is φ = 14820960.

The previous prime is 30530413. The next prime is 30530429. The reversal of 30530426 is 62403503.

It is not an unprimeable number, because it can be changed into a prime (30530429) 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, 7910 + ... + 11118.

It is an arithmetic number, because the mean of its divisors is an integer number (2946780).

Almost surely, 230530426 is an apocalyptic number.

30530426 is a deficient number, since it is larger than the sum of its proper divisors (16618054).

30530426 is a wasteful number, since it uses less digits than its factorization.

30530426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3349.

The product of its (nonzero) digits is 2160, while the sum is 23.

The square root of 30530426 is about 5525.4344625559. The cubic root of 30530426 is about 312.5438479273.

Adding to 30530426 its reverse (62403503), we get a palindrome (92933929).

The spelling of 30530426 in words is "thirty million, five hundred thirty thousand, four hundred twenty-six".

Divisors: 1 2 67 71 134 142 3209 4757 6418 9514 215003 227839 430006 455678 15265213 30530426