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945081897 = 31104728517
BaseRepresentation
bin111000010101001…
…100111000101001
32102212100010122020
4320111030320221
53413420110042
6233440215053
732264030544
oct7025147051
92385303566
10945081897
11445524021
1222460a489
13120a4c376
148d73385b
1557e843ec
hex3854ce29

945081897 has 8 divisors (see below), whose sum is σ = 1260267456. Its totient is φ = 629975472.

The previous prime is 945081889. The next prime is 945081979. The reversal of 945081897 is 798180549.

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

It is not a de Polignac number, because 945081897 - 23 = 945081889 is a prime.

It is not an unprimeable number, because it can be changed into a prime (945081817) 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, 18883 + ... + 47399.

It is an arithmetic number, because the mean of its divisors is an integer number (157533432).

Almost surely, 2945081897 is an apocalyptic number.

It is an amenable number.

945081897 is a deficient number, since it is larger than the sum of its proper divisors (315185559).

945081897 is a wasteful number, since it uses less digits than its factorization.

945081897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39567.

The product of its (nonzero) digits is 725760, while the sum is 51.

The square root of 945081897 is about 30742.1843238245. The cubic root of 945081897 is about 981.3482404406.

The spelling of 945081897 in words is "nine hundred forty-five million, eighty-one thousand, eight hundred ninety-seven".

Divisors: 1 3 11047 28517 33141 85551 315027299 945081897