Search a number
-
+
968810269 = 7138401467
BaseRepresentation
bin111001101111101…
…101111100011101
32111111222122211211
4321233231330131
53441003412034
6240044544421
733002515510
oct7157557435
92444878754
10968810269
11457960549
12230552111
1312593981b
149294cd77
155a0bed64
hex39bedf1d

968810269 has 4 divisors (see below), whose sum is σ = 1107211744. Its totient is φ = 830408796.

The previous prime is 968810243. The next prime is 968810273. The reversal of 968810269 is 962018869.

It is a happy number.

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 not a de Polignac number, because 968810269 - 25 = 968810237 is a prime.

It is a super-2 number, since 2×9688102692 = 1877186674639704722, 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 (968810239) 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, 69200727 + ... + 69200740.

It is an arithmetic number, because the mean of its divisors is an integer number (276802936).

Almost surely, 2968810269 is an apocalyptic number.

It is an amenable number.

968810269 is a deficient number, since it is larger than the sum of its proper divisors (138401475).

968810269 is a wasteful number, since it uses less digits than its factorization.

968810269 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138401474.

The product of its (nonzero) digits is 373248, while the sum is 49.

The square root of 968810269 is about 31125.7171644285. The cubic root of 968810269 is about 989.4934214070.

The spelling of 968810269 in words is "nine hundred sixty-eight million, eight hundred ten thousand, two hundred sixty-nine".

Divisors: 1 7 138401467 968810269