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30616342 = 215308171
BaseRepresentation
bin111010011001…
…0101100010110
32010121110201121
41310302230112
530314210332
63012114154
7521143321
oct164625426
963543647
1030616342
1116311569
12a30595a
13645c6a3
1440cd7b8
152a4b797
hex1d32b16

30616342 has 4 divisors (see below), whose sum is σ = 45924516. Its totient is φ = 15308170.

The previous prime is 30616321. The next prime is 30616343. The reversal of 30616342 is 24361603.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24361603 = 73480229.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30616343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7654084 + ... + 7654087.

It is an arithmetic number, because the mean of its divisors is an integer number (11481129).

Almost surely, 230616342 is an apocalyptic number.

30616342 is a deficient number, since it is larger than the sum of its proper divisors (15308174).

30616342 is a wasteful number, since it uses less digits than its factorization.

30616342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15308173.

The product of its (nonzero) digits is 2592, while the sum is 25.

The square root of 30616342 is about 5533.2035928565. The cubic root of 30616342 is about 312.8367510123.

Adding to 30616342 its reverse (24361603), we get a palindrome (54977945).

The spelling of 30616342 in words is "thirty million, six hundred sixteen thousand, three hundred forty-two".

Divisors: 1 2 15308171 30616342