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945054913 = 1185914083
BaseRepresentation
bin111000010101000…
…110010011000001
32102212021202121211
4320111012103001
53413413224123
6233435450121
732263556065
oct7025062301
92385252554
10945054913
11445505820
122245b6941
13120a3ccba
148d727aa5
1557e7b40d
hex385464c1

945054913 has 4 divisors (see below), whose sum is σ = 1030969008. Its totient is φ = 859140820.

The previous prime is 945054911. The next prime is 945054937. The reversal of 945054913 is 319450549.

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, and also an emirpimes, since its reverse is a distinct semiprime: 319450549 = 1129040959.

It is a cyclic number.

It is not a de Polignac number, because 945054913 - 21 = 945054911 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (945054911) 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, 42957031 + ... + 42957052.

It is an arithmetic number, because the mean of its divisors is an integer number (257742252).

Almost surely, 2945054913 is an apocalyptic number.

It is an amenable number.

945054913 is a deficient number, since it is larger than the sum of its proper divisors (85914095).

945054913 is a wasteful number, since it uses less digits than its factorization.

945054913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85914094.

The product of its (nonzero) digits is 97200, while the sum is 40.

The square root of 945054913 is about 30741.7454449158. The cubic root of 945054913 is about 981.3389005259.

The spelling of 945054913 in words is "nine hundred forty-five million, fifty-four thousand, nine hundred thirteen".

Divisors: 1 11 85914083 945054913