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228460524 = 223129114747
BaseRepresentation
bin11011001111000…
…00011111101100
3120220212222220220
431213200133230
5431441214044
634400411340
75442611445
oct1547403754
9526788826
10228460524
11107a61856
1264616b50
1338440656
14224b02cc
15150cc019
hexd9e07ec

228460524 has 24 divisors (see below), whose sum is σ = 533523648. Its totient is φ = 76089360.

The previous prime is 228460471. The next prime is 228460543. The reversal of 228460524 is 425064822.

It is a super-2 number, since 2×2284605242 = 104388422052709152, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8119 + ... + 22865.

It is an arithmetic number, because the mean of its divisors is an integer number (22230152).

Almost surely, 2228460524 is an apocalyptic number.

It is an amenable number.

228460524 is an abundant number, since it is smaller than the sum of its proper divisors (305063124).

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

228460524 is a wasteful number, since it uses less digits than its factorization.

228460524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16045 (or 16043 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 33.

The square root of 228460524 is about 15114.9106514064. The cubic root of 228460524 is about 611.3225127151.

The spelling of 228460524 in words is "two hundred twenty-eight million, four hundred sixty thousand, five hundred twenty-four".

Divisors: 1 2 3 4 6 12 1291 2582 3873 5164 7746 14747 15492 29494 44241 58988 88482 176964 19038377 38076754 57115131 76153508 114230262 228460524