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869407941 = 3289802647
BaseRepresentation
bin110011110100100…
…001110011000101
32020120221111111010
4303310201303011
53240032023231
6222134232433
730354563013
oct6364416305
92216844433
10869407941
11406838066
122031b5719
1310b17508c
14836758b3
15514d7546
hex33d21cc5

869407941 has 4 divisors (see below), whose sum is σ = 1159210592. Its totient is φ = 579605292.

The previous prime is 869407939. The next prime is 869407943. The reversal of 869407941 is 149704968.

869407941 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 an interprime number because it is at equal distance from previous prime (869407939) and next prime (869407943).

It is not a de Polignac number, because 869407941 - 21 = 869407939 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (869407943) 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, 144901321 + ... + 144901326.

It is an arithmetic number, because the mean of its divisors is an integer number (289802648).

Almost surely, 2869407941 is an apocalyptic number.

It is an amenable number.

869407941 is a deficient number, since it is larger than the sum of its proper divisors (289802651).

869407941 is a wasteful number, since it uses less digits than its factorization.

869407941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289802650.

The product of its (nonzero) digits is 435456, while the sum is 48.

The square root of 869407941 is about 29485.7243594252. The cubic root of 869407941 is about 954.4236687809.

The spelling of 869407941 in words is "eight hundred sixty-nine million, four hundred seven thousand, nine hundred forty-one".

Divisors: 1 3 289802647 869407941