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4307690689 = 656332
BaseRepresentation
bin1000000001100001…
…00010010011000001
3102010012200100201121
410000300202103001
532310232100224
61551240432241
7211514523661
oct40060422301
912105610647
104307690689
111910640855
12a02778681
135385b2c03
142cc16a1a1
151a32a2be4
hex100c224c1

4307690689 has 3 divisors (see below), whose sum is σ = 4307756323. Its totient is φ = 4307625056.

The previous prime is 4307690657. The next prime is 4307690729. The reversal of 4307690689 is 9860967034.

The square root of 4307690689 is 65633.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 3179268225 + 1128422464 = 56385^2 + 33592^2 .

It is not a de Polignac number, because 4307690689 - 25 = 4307690657 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4307696689) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 32817 + ... + 98449.

Almost surely, 24307690689 is an apocalyptic number.

4307690689 is the 65633-rd square number.

4307690689 is the 32817-th centered octagonal number.

It is an amenable number.

4307690689 is a deficient number, since it is larger than the sum of its proper divisors (65634).

4307690689 is an frugal number, since it uses more digits than its factorization.

4307690689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131266 (or 65633 counting only the distinct ones).

The product of its (nonzero) digits is 1959552, while the sum is 52.

The cubic root of 4307690689 is about 1627.1022182900.

The spelling of 4307690689 in words is "four billion, three hundred seven million, six hundred ninety thousand, six hundred eighty-nine".

Divisors: 1 65633 4307690689