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1450707149 = 5327371833
BaseRepresentation
bin101011001111000…
…0000100011001101
310202002202120002102
41112132000203031
510432340112044
6355541404445
750643543623
oct12636004315
93662676072
101450707149
11684982831
12345a09725
131a17239c8
14da951513
158755e24e
hex567808cd

1450707149 has 4 divisors (see below), whose sum is σ = 1478079036. Its totient is φ = 1423335264.

The previous prime is 1450707113. The next prime is 1450707169. The reversal of 1450707149 is 9417070541.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9417070541 = 47200363203.

It can be written as a sum of positive squares in 2 ways, for example, as 1149684649 + 301022500 = 33907^2 + 17350^2 .

It is a cyclic number.

It is not a de Polignac number, because 1450707149 - 212 = 1450703053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1450707169) 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, 13685864 + ... + 13685969.

It is an arithmetic number, because the mean of its divisors is an integer number (369519759).

Almost surely, 21450707149 is an apocalyptic number.

It is an amenable number.

1450707149 is a deficient number, since it is larger than the sum of its proper divisors (27371887).

1450707149 is an equidigital number, since it uses as much as digits as its factorization.

1450707149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27371886.

The product of its (nonzero) digits is 35280, while the sum is 38.

The square root of 1450707149 is about 38088.1497187774. The cubic root of 1450707149 is about 1132.0351631729.

The spelling of 1450707149 in words is "one billion, four hundred fifty million, seven hundred seven thousand, one hundred forty-nine".

Divisors: 1 53 27371833 1450707149