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228004416 = 2633131947
BaseRepresentation
bin11011001011100…
…01001001000000
3120220000211021000
431211301021000
5431332120131
634342532000
75436001623
oct1545611100
9526024230
10228004416
11107780102
1264437000
1338310b73
14223d1dba
151503bce6
hexd971240

228004416 has 56 divisors (see below), whose sum is σ = 670295840. Its totient is φ = 76000896.

The previous prime is 228004373. The next prime is 228004421. The reversal of 228004416 is 614400822.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 228004416.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64246 + ... + 67701.

Almost surely, 2228004416 is an apocalyptic number.

It is an amenable number.

228004416 is an abundant number, since it is smaller than the sum of its proper divisors (442291424).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

228004416 is a wasteful number, since it uses less digits than its factorization.

228004416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131968 (or 131952 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

The square root of 228004416 is about 15099.8150982057. The cubic root of 228004416 is about 610.9154185337.

The spelling of 228004416 in words is "two hundred twenty-eight million, four thousand, four hundred sixteen".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 64 72 96 108 144 192 216 288 432 576 864 1728 131947 263894 395841 527788 791682 1055576 1187523 1583364 2111152 2375046 3166728 3562569 4222304 4750092 6333456 7125138 8444608 9500184 12666912 14250276 19000368 25333824 28500552 38000736 57001104 76001472 114002208 228004416