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30433088 = 26767931
BaseRepresentation
bin111010000010…
…1111101000000
32010021011100102
41310011331000
530242324323
63004141532
7516451130
oct164057500
963234312
1030433088
11161a6914
12a2378a8
1363c715a
144082ac0
152a12328
hex1d05f40

30433088 has 28 divisors (see below), whose sum is σ = 69018912. Its totient is φ = 13042560.

The previous prime is 30433087. The next prime is 30433099. The reversal of 30433088 is 88033403.

It is a tau number, because it is divible by the number of its divisors (28).

It is a self number, because there is not a number n which added to its sum of digits gives 30433088.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30433087) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 33518 + ... + 34413.

Almost surely, 230433088 is an apocalyptic number.

It is an amenable number.

30433088 is an abundant number, since it is smaller than the sum of its proper divisors (38585824).

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

30433088 is an equidigital number, since it uses as much as digits as its factorization.

30433088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67950 (or 67940 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 30433088 is about 5516.6192545797. The cubic root of 30433088 is about 312.2113404843.

The spelling of 30433088 in words is "thirty million, four hundred thirty-three thousand, eighty-eight".

Divisors: 1 2 4 7 8 14 16 28 32 56 64 112 224 448 67931 135862 271724 475517 543448 951034 1086896 1902068 2173792 3804136 4347584 7608272 15216544 30433088