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228887542 = 21314959083
BaseRepresentation
bin11011010010010…
…00101111110110
3120221200200200101
431221020233312
5432043400132
634413504314
75446340422
oct1551105766
9527620611
10228887542
11108223664
12647a209a
133855cb20
1422581b82
15151637e7
hexda48bf6

228887542 has 16 divisors (see below), whose sum is σ = 372229200. Its totient is φ = 104929632.

The previous prime is 228887521. The next prime is 228887557. The reversal of 228887542 is 245788822.

It is a junction number, because it is equal to n+sod(n) for n = 228887492 and 228887501.

It is a congruent number.

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, 25668 + ... + 33415.

It is an arithmetic number, because the mean of its divisors is an integer number (23264325).

Almost surely, 2228887542 is an apocalyptic number.

228887542 is a deficient number, since it is larger than the sum of its proper divisors (143341658).

228887542 is a wasteful number, since it uses less digits than its factorization.

228887542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59247.

The product of its digits is 573440, while the sum is 46.

The square root of 228887542 is about 15129.0297772197. The cubic root of 228887542 is about 611.7031521355.

The spelling of 228887542 in words is "two hundred twenty-eight million, eight hundred eighty-seven thousand, five hundred forty-two".

Divisors: 1 2 13 26 149 298 1937 3874 59083 118166 768079 1536158 8803367 17606734 114443771 228887542