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1450030801 = 2273637937
BaseRepresentation
bin101011001101101…
…1011011011010001
310202001111012022111
41112123123123101
510432201441201
6355515105321
750635026022
oct12633333321
93661435274
101450030801
1168456066a
12345742241
131a1547bbb
14da816c49
1587478b51
hex566db6d1

1450030801 has 4 divisors (see below), whose sum is σ = 1450671012. Its totient is φ = 1449390592.

The previous prime is 1450030753. The next prime is 1450030819. The reversal of 1450030801 is 1080300541.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1080300541 = 2205148991.

It can be written as a sum of positive squares in 2 ways, for example, as 849780801 + 600250000 = 29151^2 + 24500^2 .

It is a cyclic number.

It is not a de Polignac number, because 1450030801 - 29 = 1450030289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1450030831) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 316696 + ... + 321241.

It is an arithmetic number, because the mean of its divisors is an integer number (362667753).

Almost surely, 21450030801 is an apocalyptic number.

It is an amenable number.

1450030801 is a deficient number, since it is larger than the sum of its proper divisors (640211).

1450030801 is an equidigital number, since it uses as much as digits as its factorization.

1450030801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 640210.

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 1450030801 is about 38079.2699641156. The cubic root of 1450030801 is about 1131.8592101933.

The spelling of 1450030801 in words is "one billion, four hundred fifty million, thirty thousand, eight hundred one".

Divisors: 1 2273 637937 1450030801