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228592742 = 2726138239
BaseRepresentation
bin11011010000000…
…00110001100110
3120221010201021212
431220000301212
5432004431432
634403311422
75444002100
oct1550006146
9527121255
10228592742
11108042124
126467b572
13384888a1
1422506570
15151062b2
hexda00c66

228592742 has 24 divisors (see below), whose sum is σ = 405420480. Its totient is φ = 96359760.

The previous prime is 228592739. The next prime is 228592751. The reversal of 228592742 is 247295822.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 228592742.

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 13142 + ... + 25097.

It is an arithmetic number, because the mean of its divisors is an integer number (16892520).

Almost surely, 2228592742 is an apocalyptic number.

228592742 is a deficient number, since it is larger than the sum of its proper divisors (176827738).

228592742 is a wasteful number, since it uses less digits than its factorization.

228592742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38316 (or 38309 counting only the distinct ones).

The product of its digits is 161280, while the sum is 41.

The square root of 228592742 is about 15119.2837793329. The cubic root of 228592742 is about 611.4404211265.

The spelling of 228592742 in words is "two hundred twenty-eight million, five hundred ninety-two thousand, seven hundred forty-two".

Divisors: 1 2 7 14 49 61 98 122 427 854 2989 5978 38239 76478 267673 535346 1873711 2332579 3747422 4665158 16328053 32656106 114296371 228592742