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228025454 = 2176706631
BaseRepresentation
bin11011001011101…
…10010001101110
3120220001220010012
431211312101232
5431333303304
634343213222
75436120146
oct1545662156
9526056105
10228025454
11107794998
1264447212
133831a607
14223d9926
151504316e
hexd97646e

228025454 has 8 divisors (see below), whose sum is σ = 362158128. Its totient is φ = 107306080.

The previous prime is 228025439. The next prime is 228025459. The reversal of 228025454 is 454520822.

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

It is a super-2 number, since 2×2280254542 = 103991215343812232, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 228025454.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228025459) 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, 3353282 + ... + 3353349.

It is an arithmetic number, because the mean of its divisors is an integer number (45269766).

Almost surely, 2228025454 is an apocalyptic number.

228025454 is a deficient number, since it is larger than the sum of its proper divisors (134132674).

228025454 is a wasteful number, since it uses less digits than its factorization.

228025454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6706650.

The product of its (nonzero) digits is 25600, while the sum is 32.

The square root of 228025454 is about 15100.5117131838. The cubic root of 228025454 is about 610.9342077068.

The spelling of 228025454 in words is "two hundred twenty-eight million, twenty-five thousand, four hundred fifty-four".

Divisors: 1 2 17 34 6706631 13413262 114012727 228025454