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228957958 = 22979107467
BaseRepresentation
bin11011010010110…
…01111100000110
3120221211021021101
431221121330012
5432103123313
634415210314
75450052625
oct1551317406
9527737241
10228957958
11108271559
126481699a
1338585ba8
142259d6bc
15151795dd
hexda59f06

228957958 has 32 divisors (see below), whose sum is σ = 363916800. Its totient is φ = 107880864.

The previous prime is 228957947. The next prime is 228957973. The reversal of 228957958 is 859759822.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 228957899 and 228957908.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 490041 + ... + 490507.

It is an arithmetic number, because the mean of its divisors is an integer number (11372400).

Almost surely, 2228957958 is an apocalyptic number.

228957958 is a deficient number, since it is larger than the sum of its proper divisors (134958842).

228957958 is a wasteful number, since it uses less digits than its factorization.

228957958 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 684.

The product of its digits is 3628800, while the sum is 55.

The square root of 228957958 is about 15131.3567798793. The cubic root of 228957958 is about 611.7658747465.

The spelling of 228957958 in words is "two hundred twenty-eight million, nine hundred fifty-seven thousand, nine hundred fifty-eight".

Divisors: 1 2 29 58 79 107 158 214 467 934 2291 3103 4582 6206 8453 13543 16906 27086 36893 49969 73786 99938 245137 490274 1069897 1449101 2139794 2898202 3947551 7895102 114478979 228957958