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1450729319 = 13111594563
BaseRepresentation
bin101011001111000…
…0101111101100111
310202002210200111112
41112132011331213
510432341314234
6355542055235
750643665354
oct12636057547
93662720445
101450729319
11684998456
12345a1a51b
131a1730b20
14da95962b
1587565ace
hex56785f67

1450729319 has 4 divisors (see below), whose sum is σ = 1562323896. Its totient is φ = 1339134744.

The previous prime is 1450729309. The next prime is 1450729331. The reversal of 1450729319 is 9139270541.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1450729319 is a prime.

It is a super-2 number, since 2×14507293192 = 4209231114012407522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1450729309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55797269 + ... + 55797294.

It is an arithmetic number, because the mean of its divisors is an integer number (390580974).

Almost surely, 21450729319 is an apocalyptic number.

1450729319 is a deficient number, since it is larger than the sum of its proper divisors (111594577).

1450729319 is a wasteful number, since it uses less digits than its factorization.

1450729319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111594576.

The product of its (nonzero) digits is 68040, while the sum is 41.

The square root of 1450729319 is about 38088.4407530684. The cubic root of 1450729319 is about 1132.0409298069.

The spelling of 1450729319 in words is "one billion, four hundred fifty million, seven hundred twenty-nine thousand, three hundred nineteen".

Divisors: 1 13 111594563 1450729319