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30242434 = 231747701
BaseRepresentation
bin111001101011…
…1011010000010
32002220110211011
41303113122002
530220224214
63000111134
7515025235
oct163273202
962813734
1030242434
1116086652
12a1654aa
13635b441
14403341c
1529c5ac4
hex1cd7682

30242434 has 8 divisors (see below), whose sum is σ = 45507708. Its totient is φ = 15073200.

The previous prime is 30242423. The next prime is 30242437. The reversal of 30242434 is 43424203.

It can be written as a sum of positive squares in 2 ways, for example, as 27510025 + 2732409 = 5245^2 + 1653^2 .

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

It is not an unprimeable number, because it can be changed into a prime (30242437) 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 in 3 ways as a sum of consecutive naturals, for example, 23217 + ... + 24484.

Almost surely, 230242434 is an apocalyptic number.

30242434 is a deficient number, since it is larger than the sum of its proper divisors (15265274).

30242434 is a wasteful number, since it uses less digits than its factorization.

30242434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48020.

The product of its (nonzero) digits is 2304, while the sum is 22.

The square root of 30242434 is about 5499.3121388043. The cubic root of 30242434 is about 311.5580047034.

Adding to 30242434 its reverse (43424203), we get a palindrome (73666637).

The spelling of 30242434 in words is "thirty million, two hundred forty-two thousand, four hundred thirty-four".

Divisors: 1 2 317 634 47701 95402 15121217 30242434