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1303923669 = 3434641223
BaseRepresentation
bin100110110111000…
…0100101111010101
310100212120012000020
41031232010233111
510132301024134
6333215335353
744212111506
oct11556045725
93325505006
101303923669
1160a038174
12304821559
1317a1acb89
14c5262bad
1579717b49
hex4db84bd5

1303923669 has 4 divisors (see below), whose sum is σ = 1738564896. Its totient is φ = 869282444.

The previous prime is 1303923661. The next prime is 1303923689. The reversal of 1303923669 is 9663293031.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1303923669 - 23 = 1303923661 is a prime.

It is a super-2 number, since 2×13039236692 = 3400433869156843122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1303923669.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1303923661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 217320609 + ... + 217320614.

It is an arithmetic number, because the mean of its divisors is an integer number (434641224).

Almost surely, 21303923669 is an apocalyptic number.

It is an amenable number.

1303923669 is a deficient number, since it is larger than the sum of its proper divisors (434641227).

1303923669 is an equidigital number, since it uses as much as digits as its factorization.

1303923669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 434641226.

The product of its (nonzero) digits is 157464, while the sum is 42.

The square root of 1303923669 is about 36109.8832592962. The cubic root of 1303923669 is about 1092.4897967478.

The spelling of 1303923669 in words is "one billion, three hundred three million, nine hundred twenty-three thousand, six hundred sixty-nine".

Divisors: 1 3 434641223 1303923669