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228750070 = 2541557927
BaseRepresentation
bin11011010001001…
…11001011110110
3120221102201002211
431220213023312
5432030000240
634410524034
75445225553
oct1550471366
9527381084
10228750070
1110813a34a
126473661a
1338512393
1422547a2a
1515137bea
hexda272f6

228750070 has 16 divisors (see below), whose sum is σ = 421793568. Its totient is φ = 89268160.

The previous prime is 228750059. The next prime is 228750073. The reversal of 228750070 is 70057822.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228750073) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 278554 + ... + 279373.

It is an arithmetic number, because the mean of its divisors is an integer number (26362098).

Almost surely, 2228750070 is an apocalyptic number.

228750070 is a deficient number, since it is larger than the sum of its proper divisors (193043498).

228750070 is a wasteful number, since it uses less digits than its factorization.

228750070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 557975.

The product of its (nonzero) digits is 7840, while the sum is 31.

The square root of 228750070 is about 15124.4857763826. The cubic root of 228750070 is about 611.5806627300.

The spelling of 228750070 in words is "two hundred twenty-eight million, seven hundred fifty thousand, seventy".

Divisors: 1 2 5 10 41 82 205 410 557927 1115854 2789635 5579270 22875007 45750014 114375035 228750070