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42869700 = 2232521923109
BaseRepresentation
bin1010001110001…
…0001111000100
32222200000011200
42203202033010
541433312300
64130502500
71030246356
oct243421704
988600150
1042869700
1122220705
1212434a30
138b5cab3
14599d0d6
153b6c200
hex28e23c4

42869700 has 216 divisors, whose sum is σ = 148948800. Its totient is φ = 10264320.

The previous prime is 42869653. The next prime is 42869713. The reversal of 42869700 is 796824.

It is a super-2 number, since 2×428697002 = 3675622356180000, which contains 22 as substring.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 393246 + ... + 393354.

Almost surely, 242869700 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42869700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74474400).

42869700 is an abundant number, since it is smaller than the sum of its proper divisors (106079100).

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

42869700 is a wasteful number, since it uses less digits than its factorization.

42869700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171 (or 161 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 42869700 is about 6547.4957044659. The cubic root of 42869700 is about 349.9855776370.

The spelling of 42869700 in words is "forty-two million, eight hundred sixty-nine thousand, seven hundred".