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1451408730 = 23579760703
BaseRepresentation
bin101011010000010…
…1011110101011010
310202011002012110220
41112200223311122
510433030034410
6400004420510
750652525222
oct12640536532
93664065426
101451408730
11685311952
123460a7736
131a190b145
14daa95082
158764c070
hex5682bd5a

1451408730 has 32 divisors (see below), whose sum is σ = 3487809024. Its totient is φ = 386550336.

The previous prime is 1451408723. The next prime is 1451408797. The reversal of 1451408730 is 378041541.

It is a zygodrome in base 4.

It is a junction number, because it is equal to n+sod(n) for n = 1451408691 and 1451408700.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6442 + ... + 54261.

It is an arithmetic number, because the mean of its divisors is an integer number (108994032).

Almost surely, 21451408730 is an apocalyptic number.

1451408730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1451408730 is an abundant number, since it is smaller than the sum of its proper divisors (2036400294).

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

1451408730 is a wasteful number, since it uses less digits than its factorization.

1451408730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61510.

The product of its (nonzero) digits is 13440, while the sum is 33.

The square root of 1451408730 is about 38097.3585698536. The cubic root of 1451408730 is about 1132.2176227791.

The spelling of 1451408730 in words is "one billion, four hundred fifty-one million, four hundred eight thousand, seven hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 797 1594 2391 3985 4782 7970 11955 23910 60703 121406 182109 303515 364218 607030 910545 1821090 48380291 96760582 145140873 241901455 290281746 483802910 725704365 1451408730