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1130452450 = 25273309713
BaseRepresentation
bin100001101100001…
…0101010111100010
32220210010221020021
41003120111113202
54303343434300
6304101304054
740004454511
oct10330252742
92823127207
101130452450
11530124726
1227670502a
1315028389a
14aa1c8678
156939dd1a
hex436155e2

1130452450 has 24 divisors (see below), whose sum is σ = 2131451748. Its totient is φ = 445985280.

The previous prime is 1130452441. The next prime is 1130452487. The reversal of 1130452450 is 542540311.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 688065361 + 442387089 = 26231^2 + 21033^2 .

It is a super-3 number, since 3×11304524503 (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 151207 + ... + 158506.

Almost surely, 21130452450 is an apocalyptic number.

1130452450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1130452450 is a deficient number, since it is larger than the sum of its proper divisors (1000999298).

1130452450 is a wasteful number, since it uses less digits than its factorization.

1130452450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309798 (or 309793 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 1130452450 is about 33622.2017423012. The cubic root of 1130452450 is about 1041.7194344113.

Adding to 1130452450 its reverse (542540311), we get a palindrome (1672992761).

The spelling of 1130452450 in words is "one billion, one hundred thirty million, four hundred fifty-two thousand, four hundred fifty".

Divisors: 1 2 5 10 25 50 73 146 365 730 1825 3650 309713 619426 1548565 3097130 7742825 15485650 22609049 45218098 113045245 226090490 565226225 1130452450