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30434516 = 2271139619
BaseRepresentation
bin111010000011…
…0010011010100
32010021020022022
41310012103110
530242401031
63004152312
7516455240
oct164062324
963236268
1030434516
11161a79a2
12a238698
1363c79b8
144083420
152a1297b
hex1d064d4

30434516 has 24 divisors (see below), whose sum is σ = 61414080. Its totient is φ = 12926592.

The previous prime is 30434507. The next prime is 30434557. The reversal of 30434516 is 61543403.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1646 + ... + 7973.

It is an arithmetic number, because the mean of its divisors is an integer number (2558920).

Almost surely, 230434516 is an apocalyptic number.

It is an amenable number.

30434516 is an abundant number, since it is smaller than the sum of its proper divisors (30979564).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30434516 is a wasteful number, since it uses less digits than its factorization.

30434516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9743 (or 9741 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 30434516 is about 5516.7486801557. The cubic root of 30434516 is about 312.2162236652.

Adding to 30434516 its reverse (61543403), we get a palindrome (91977919).

The spelling of 30434516 in words is "thirty million, four hundred thirty-four thousand, five hundred sixteen".

Divisors: 1 2 4 7 14 28 113 226 452 791 1582 3164 9619 19238 38476 67333 134666 269332 1086947 2173894 4347788 7608629 15217258 30434516