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30222546 = 235037091
BaseRepresentation
bin111001101001…
…0100011010010
32002212110112120
41303102203102
530214110141
62555435110
7514613244
oct163224322
962773476
1030222546
1116072712
12a155a96
136352383
14402a094
1529bec66
hex1cd28d2

30222546 has 8 divisors (see below), whose sum is σ = 60445104. Its totient is φ = 10074180.

The previous prime is 30222473. The next prime is 30222547. The reversal of 30222546 is 64522203.

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

30222546 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (30222547) 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, 2518540 + ... + 2518551.

It is an arithmetic number, because the mean of its divisors is an integer number (7555638).

Almost surely, 230222546 is an apocalyptic number.

30222546 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.

30222546 is a wasteful number, since it uses less digits than its factorization.

30222546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5037096.

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 30222546 is about 5497.5036152785. The cubic root of 30222546 is about 311.4896942365.

Adding to 30222546 its reverse (64522203), we get a palindrome (94744749).

The spelling of 30222546 in words is "thirty million, two hundred twenty-two thousand, five hundred forty-six".

Divisors: 1 2 3 6 5037091 10074182 15111273 30222546