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42834620 = 2252141731
BaseRepresentation
bin1010001101100…
…1101010111100
32222121020001102
42203121222330
541431201440
64130032232
71030042163
oct243315274
988536042
1042834620
11221a7314
1212418678
138b49b3a
1459903da
153b61b15
hex28d9abc

42834620 has 12 divisors (see below), whose sum is σ = 89952744. Its totient is φ = 17133840.

The previous prime is 42834619. The next prime is 42834629. The reversal of 42834620 is 2643824.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42834629) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1070846 + ... + 1070885.

It is an arithmetic number, because the mean of its divisors is an integer number (7496062).

Almost surely, 242834620 is an apocalyptic number.

It is an amenable number.

42834620 is an abundant number, since it is smaller than the sum of its proper divisors (47118124).

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

42834620 is a wasteful number, since it uses less digits than its factorization.

42834620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2141740 (or 2141738 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 29.

The square root of 42834620 is about 6544.8162693845. The cubic root of 42834620 is about 349.8900879364.

The spelling of 42834620 in words is "forty-two million, eight hundred thirty-four thousand, six hundred twenty".

Divisors: 1 2 4 5 10 20 2141731 4283462 8566924 10708655 21417310 42834620