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1451446340 = 225531399851
BaseRepresentation
bin101011010000011…
…0101000001000100
310202011011010001212
41112200311001010
510433032240330
6400005310552
750653042661
oct12640650104
93664133055
101451446340
11685338133
12346105458
131a19222b6
14daaa4a68
1587658295
hex56835044

1451446340 has 48 divisors (see below), whose sum is σ = 3128207040. Its totient is φ = 565468800.

The previous prime is 1451446331. The next prime is 1451446351. The reversal of 1451446340 is 436441541.

It is a junction number, because it is equal to n+sod(n) for n = 1451446297 and 1451446306.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 142415 + ... + 152265.

It is an arithmetic number, because the mean of its divisors is an integer number (65170980).

Almost surely, 21451446340 is an apocalyptic number.

1451446340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1451446340 is an abundant number, since it is smaller than the sum of its proper divisors (1676760700).

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

1451446340 is a wasteful number, since it uses less digits than its factorization.

1451446340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10052 (or 10050 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 32.

The square root of 1451446340 is about 38097.8521704308. The cubic root of 1451446340 is about 1132.2274023209.

Adding to 1451446340 its reverse (436441541), we get a palindrome (1887887881).

The spelling of 1451446340 in words is "one billion, four hundred fifty-one million, four hundred forty-six thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 53 106 139 212 265 278 530 556 695 1060 1390 2780 7367 9851 14734 19702 29468 36835 39404 49255 73670 98510 147340 197020 522103 1044206 1369289 2088412 2610515 2738578 5221030 5477156 6846445 10442060 13692890 27385780 72572317 145144634 290289268 362861585 725723170 1451446340