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1450401320 = 23536260033
BaseRepresentation
bin101011001110011…
…0101111000101000
310202002012000120102
41112130311320220
510432300320240
6355531044532
750641131164
oct12634657050
93662160512
101450401320
11684793a85
123458a0748
131a1647744
14da8b1ca4
15874ed815
hex56735e28

1450401320 has 16 divisors (see below), whose sum is σ = 3263403060. Its totient is φ = 580160512.

The previous prime is 1450401317. The next prime is 1450401343. The reversal of 1450401320 is 231040541.

It can be written as a sum of positive squares in 2 ways, for example, as 1446889444 + 3511876 = 38038^2 + 1874^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 1450401292 and 1450401301.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18129977 + ... + 18130056.

Almost surely, 21450401320 is an apocalyptic number.

1450401320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1450401320 is an abundant number, since it is smaller than the sum of its proper divisors (1813001740).

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

1450401320 is a wasteful number, since it uses less digits than its factorization.

1450401320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36260044 (or 36260040 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 1450401320 is about 38084.1347545142. The cubic root of 1450401320 is about 1131.9556080599.

Adding to 1450401320 its reverse (231040541), we get a palindrome (1681441861).

The spelling of 1450401320 in words is "one billion, four hundred fifty million, four hundred one thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 36260033 72520066 145040132 181300165 290080264 362600330 725200660 1450401320