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30432134 = 257726371
BaseRepresentation
bin111010000010…
…1101110000110
32010021010001002
41310011232012
530242312014
63004133302
7516445265
oct164055606
963233032
1030432134
11161a6127
12a237232
1363c68a5
1440825dc
152a11dde
hex1d05b86

30432134 has 8 divisors (see below), whose sum is σ = 45729048. Its totient is φ = 15189120.

The previous prime is 30432133. The next prime is 30432161. The reversal of 30432134 is 43123403.

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

It is a super-2 number, since 2×304321342 = 1852229559587912, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30432133) 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, 12032 + ... + 14339.

It is an arithmetic number, because the mean of its divisors is an integer number (5716131).

Almost surely, 230432134 is an apocalyptic number.

30432134 is a deficient number, since it is larger than the sum of its proper divisors (15296914).

30432134 is a wasteful number, since it uses less digits than its factorization.

30432134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26950.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 30432134 is about 5516.5327879022. The cubic root of 30432134 is about 312.2080781061.

Adding to 30432134 its reverse (43123403), we get a palindrome (73555537).

The spelling of 30432134 in words is "thirty million, four hundred thirty-two thousand, one hundred thirty-four".

Divisors: 1 2 577 1154 26371 52742 15216067 30432134