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30254122 = 215127061
BaseRepresentation
bin111001101101…
…0010000101010
32002221001212001
41303122100222
530221112442
63000241214
7515104303
oct163322052
962831761
1030254122
1116094408
12a17020a
136363862
1440377aa
1529c92b7
hex1cda42a

30254122 has 4 divisors (see below), whose sum is σ = 45381186. Its totient is φ = 15127060.

The previous prime is 30254113. The next prime is 30254129. The reversal of 30254122 is 22145203.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 30151081 + 103041 = 5491^2 + 321^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 30254122.

It is not an unprimeable number, because it can be changed into a prime (30254129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7563529 + ... + 7563532.

Almost surely, 230254122 is an apocalyptic number.

30254122 is a deficient number, since it is larger than the sum of its proper divisors (15127064).

30254122 is a wasteful number, since it uses less digits than its factorization.

30254122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15127063.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 30254122 is about 5500.3747145081. The cubic root of 30254122 is about 311.5981361838.

Adding to 30254122 its reverse (22145203), we get a palindrome (52399325).

The spelling of 30254122 in words is "thirty million, two hundred fifty-four thousand, one hundred twenty-two".

Divisors: 1 2 15127061 30254122