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1307006303 = 2356826361
BaseRepresentation
bin100110111100111…
…0101010101011111
310101002100210120212
41031321311111133
510134043200203
6333405403035
744250241001
oct11571652537
93332323525
101307006303
116108531a9
1230586947b
1317aa1c015
14c5826371
1579b261d8
hex4de7555f

1307006303 has 4 divisors (see below), whose sum is σ = 1363832688. Its totient is φ = 1250179920.

The previous prime is 1307006293. The next prime is 1307006339. The reversal of 1307006303 is 3036007031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3036007031 = 3779803389.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1307006303 is a prime.

It is a super-3 number, since 3×13070063033 (a number of 28 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23), and also a Moran number because the ratio is a prime number: 56826361 = 1307006303 / (1 + 3 + 0 + 7 + 0 + 0 + 6 + 3 + 0 + 3).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1307006203) 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, 28413158 + ... + 28413203.

It is an arithmetic number, because the mean of its divisors is an integer number (340958172).

Almost surely, 21307006303 is an apocalyptic number.

1307006303 is a deficient number, since it is larger than the sum of its proper divisors (56826385).

1307006303 is an equidigital number, since it uses as much as digits as its factorization.

1307006303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56826384.

The product of its (nonzero) digits is 1134, while the sum is 23.

The square root of 1307006303 is about 36152.5421374486. The cubic root of 1307006303 is about 1093.3500454040.

The spelling of 1307006303 in words is "one billion, three hundred seven million, six thousand, three hundred three".

Divisors: 1 23 56826361 1307006303