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3963897309 = 31379644519
BaseRepresentation
bin1110110001000100…
…0100010111011101
3101020020202211212110
43230101010113131
531104224203214
61453200024233
7200141366631
oct35421042735
911206684773
103963897309
111754575799
12927602079
134b22c0a88
14298636dc1
15182ee3159
hexec4445dd

3963897309 has 8 divisors (see below), whose sum is σ = 5323775040. Its totient is φ = 2623308896.

The previous prime is 3963897307. The next prime is 3963897319. The reversal of 3963897309 is 9037983693.

3963897309 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3963897309 - 21 = 3963897307 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3963897307) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4821849 + ... + 4822670.

It is an arithmetic number, because the mean of its divisors is an integer number (665471880).

Almost surely, 23963897309 is an apocalyptic number.

It is an amenable number.

3963897309 is a deficient number, since it is larger than the sum of its proper divisors (1359877731).

3963897309 is a wasteful number, since it uses less digits than its factorization.

3963897309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9644659.

The product of its (nonzero) digits is 6613488, while the sum is 57.

The square root of 3963897309 is about 62959.4894277265. The cubic root of 3963897309 is about 1582.6108237814.

The spelling of 3963897309 in words is "three billion, nine hundred sixty-three million, eight hundred ninety-seven thousand, three hundred nine".

Divisors: 1 3 137 411 9644519 28933557 1321299103 3963897309