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1453030234 = 2726515117
BaseRepresentation
bin101011010011011…
…0111101101011010
310202021010120202121
41112212313231122
510433433431414
6400103251454
751002360515
oct12646675532
93667116677
101453030234
1168621a137
12346749b8a
131a2058206
14dad97d7c
158786c724
hex569b7b5a

1453030234 has 4 divisors (see below), whose sum is σ = 2179545354. Its totient is φ = 726515116.

The previous prime is 1453030223. The next prime is 1453030237. The reversal of 1453030234 is 4320303541.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4320303541 = 29167148123.

It can be written as a sum of positive squares in only one way, i.e., 954624609 + 498405625 = 30897^2 + 22325^2 .

It is a super-3 number, since 3×14530302343 (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 1453030199 and 1453030208.

It is not an unprimeable number, because it can be changed into a prime (1453030237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 363257557 + ... + 363257560.

Almost surely, 21453030234 is an apocalyptic number.

1453030234 is a deficient number, since it is larger than the sum of its proper divisors (726515120).

1453030234 is an equidigital number, since it uses as much as digits as its factorization.

1453030234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 726515119.

The product of its (nonzero) digits is 4320, while the sum is 25.

The square root of 1453030234 is about 38118.6336848529. The cubic root of 1453030234 is about 1132.6391011463.

Adding to 1453030234 its reverse (4320303541), we get a palindrome (5773333775).

The spelling of 1453030234 in words is "one billion, four hundred fifty-three million, thirty thousand, two hundred thirty-four".

Divisors: 1 2 726515117 1453030234