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42841188 = 22321391541
BaseRepresentation
bin1010001101101…
…1010001100100
32222121120001200
42203123101210
541431404223
64130122500
71030100265
oct243332144
988546050
1042841188
1122201245
1212420430
138b4cb20
14599296c
153b63a43
hex28db464

42841188 has 36 divisors (see below), whose sum is σ = 116624508. Its totient is φ = 13181760.

The previous prime is 42841177. The next prime is 42841189. The reversal of 42841188 is 88114824.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 9108324 + 33732864 = 3018^2 + 5808^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (42841189) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 45303 + ... + 46238.

Almost surely, 242841188 is an apocalyptic number.

It is an amenable number.

42841188 is an abundant number, since it is smaller than the sum of its proper divisors (73783320).

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

42841188 is a wasteful number, since it uses less digits than its factorization.

42841188 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91564 (or 91559 counting only the distinct ones).

The product of its digits is 16384, while the sum is 36.

The square root of 42841188 is about 6545.3180213035. The cubic root of 42841188 is about 349.9079703615.

It can be divided in two parts, 428 and 41188, that added together give a triangular number (41616 = T288).

The spelling of 42841188 in words is "forty-two million, eight hundred forty-one thousand, one hundred eighty-eight".

Divisors: 1 2 3 4 6 9 12 13 18 26 36 39 52 78 117 156 234 468 91541 183082 274623 366164 549246 823869 1098492 1190033 1647738 2380066 3295476 3570099 4760132 7140198 10710297 14280396 21420594 42841188