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228454697 = 1494333541
BaseRepresentation
bin11011001110111…
…11000100101001
3120220212200221002
431213133010221
5431441022242
634400324345
75442555452
oct1547370451
9526780832
10228454697
11107a58439
12646136b5
133843aac3
14224ac129
15150ca432
hexd9df129

228454697 has 8 divisors (see below), whose sum is σ = 230584200. Its totient is φ = 226333440.

The previous prime is 228454673. The next prime is 228454711. The reversal of 228454697 is 796454822.

It can be written as a sum of positive squares in 4 ways, for example, as 1771561 + 226683136 = 1331^2 + 15056^2 .

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 228454697 - 28 = 228454441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (228454637) 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, 62747 + ... + 66287.

It is an arithmetic number, because the mean of its divisors is an integer number (28823025).

Almost surely, 2228454697 is an apocalyptic number.

It is an amenable number.

228454697 is a deficient number, since it is larger than the sum of its proper divisors (2129503).

228454697 is a wasteful number, since it uses less digits than its factorization.

228454697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4123.

The product of its digits is 967680, while the sum is 47.

The square root of 228454697 is about 15114.7178934971. The cubic root of 228454697 is about 611.3173153087.

The spelling of 228454697 in words is "two hundred twenty-eight million, four hundred fifty-four thousand, six hundred ninety-seven".

Divisors: 1 149 433 3541 64517 527609 1533253 228454697