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1451230530 = 235442310937
BaseRepresentation
bin101011010000000…
…0000010101000010
310202010202011000220
41112200000111002
510433003334110
6400000523510
750651153541
oct12640002502
93663664026
101451230530
116851aaa82
12346020596
131a1877cb9
14daa4a158
1587614370
hex56800542

1451230530 has 32 divisors (see below), whose sum is σ = 3484059264. Its totient is φ = 386871936.

The previous prime is 1451230513. The next prime is 1451230537. The reversal of 1451230530 is 350321541.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1451230530.

It is not an unprimeable number, because it can be changed into a prime (1451230537) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 127222 + ... + 138158.

It is an arithmetic number, because the mean of its divisors is an integer number (108876852).

Almost surely, 21451230530 is an apocalyptic number.

1451230530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1451230530 is an abundant number, since it is smaller than the sum of its proper divisors (2032828734).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1451230530 is a wasteful number, since it uses less digits than its factorization.

1451230530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15370.

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 1451230530 is about 38095.0197532433. The cubic root of 1451230530 is about 1132.1712840201.

The spelling of 1451230530 in words is "one billion, four hundred fifty-one million, two hundred thirty thousand, five hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 4423 8846 10937 13269 21874 22115 26538 32811 44230 54685 65622 66345 109370 132690 164055 328110 48374351 96748702 145123053 241871755 290246106 483743510 725615265 1451230530