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30604133 = 74372019
BaseRepresentation
bin111010010111…
…1101101100101
32010120211222102
41310233231211
530313313013
63011541445
7521062610
oct164575545
963524872
1030604133
111630337a
12a2ba885
136456c71
1440c9177
152a47d58
hex1d2fb65

30604133 has 4 divisors (see below), whose sum is σ = 34976160. Its totient is φ = 26232108.

The previous prime is 30604109. The next prime is 30604157. The reversal of 30604133 is 33140603.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (30604109) and next prime (30604157).

It is not a de Polignac number, because 30604133 - 28 = 30603877 is a prime.

It is a super-2 number, since 2×306041332 = 1873225913363378, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30604633) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2186003 + ... + 2186016.

It is an arithmetic number, because the mean of its divisors is an integer number (8744040).

Almost surely, 230604133 is an apocalyptic number.

It is an amenable number.

30604133 is a deficient number, since it is larger than the sum of its proper divisors (4372027).

30604133 is an equidigital number, since it uses as much as digits as its factorization.

30604133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4372026.

The product of its (nonzero) digits is 648, while the sum is 20.

The square root of 30604133 is about 5532.1002340883. The cubic root of 30604133 is about 312.7951617667.

Adding to 30604133 its reverse (33140603), we get a palindrome (63744736).

The spelling of 30604133 in words is "thirty million, six hundred four thousand, one hundred thirty-three".

Divisors: 1 7 4372019 30604133