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228275499 = 3671135699
BaseRepresentation
bin11011001101100…
…11010100101011
3120220112121010010
431212303110223
5431414303444
634352423003
75441211144
oct1546632453
9526477103
10228275499
11107945841
1264547a63
13383a737a
1422462acb
15150922b9
hexd9b352b

228275499 has 8 divisors (see below), whose sum is σ = 308910400. Its totient is φ = 149912136.

The previous prime is 228275497. The next prime is 228275521. The reversal of 228275499 is 994572822.

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

It is not a de Polignac number, because 228275499 - 21 = 228275497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (228275497) 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, 567649 + ... + 568050.

It is an arithmetic number, because the mean of its divisors is an integer number (38613800).

Almost surely, 2228275499 is an apocalyptic number.

228275499 is a deficient number, since it is larger than the sum of its proper divisors (80634901).

228275499 is a wasteful number, since it uses less digits than its factorization.

228275499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1135769.

The product of its digits is 725760, while the sum is 48.

The square root of 228275499 is about 15108.7887999005. The cubic root of 228275499 is about 611.1574360610.

The spelling of 228275499 in words is "two hundred twenty-eight million, two hundred seventy-five thousand, four hundred ninety-nine".

Divisors: 1 3 67 201 1135699 3407097 76091833 228275499