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30432342 = 235072057
BaseRepresentation
bin111010000010…
…1110001010110
32010021010022210
41310011301112
530242313332
63004134250
7516446013
oct164056126
963233283
1030432342
11161a62a6
12a237386
1363c6a05
14408270a
152a11ecc
hex1d05c56

30432342 has 8 divisors (see below), whose sum is σ = 60864696. Its totient is φ = 10144112.

The previous prime is 30432341. The next prime is 30432349. The reversal of 30432342 is 24323403.

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

30432342 is an admirable number.

It is a super-2 number, since 2×304323422 = 1852254879209928, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30432341) 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, 2536023 + ... + 2536034.

It is an arithmetic number, because the mean of its divisors is an integer number (7608087).

Almost surely, 230432342 is an apocalyptic number.

30432342 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

30432342 is a wasteful number, since it uses less digits than its factorization.

30432342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5072062.

The product of its (nonzero) digits is 1728, while the sum is 21.

The square root of 30432342 is about 5516.5516402912. The cubic root of 30432342 is about 312.2087894061.

Adding to 30432342 its reverse (24323403), we get a palindrome (54755745).

The spelling of 30432342 in words is "thirty million, four hundred thirty-two thousand, three hundred forty-two".

Divisors: 1 2 3 6 5072057 10144114 15216171 30432342