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42808898 = 2111945859
BaseRepresentation
bin1010001101001…
…1011001000010
32222112220202202
42203103121002
541424341043
64125313202
71026604166
oct243233102
988486682
1042808898
1122189a60
1212405802
138b3b212
145984ca6
153b591b8
hex28d3642

42808898 has 8 divisors (see below), whose sum is σ = 70050960. Its totient is φ = 19458580.

The previous prime is 42808897. The next prime is 42808937. The reversal of 42808898 is 89880824.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (42808891) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 972908 + ... + 972951.

It is an arithmetic number, because the mean of its divisors is an integer number (8756370).

Almost surely, 242808898 is an apocalyptic number.

42808898 is a deficient number, since it is larger than the sum of its proper divisors (27242062).

42808898 is a wasteful number, since it uses less digits than its factorization.

42808898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1945872.

The product of its (nonzero) digits is 294912, while the sum is 47.

The square root of 42808898 is about 6542.8509076701. The cubic root of 42808898 is about 349.8200380959.

The spelling of 42808898 in words is "forty-two million, eight hundred eight thousand, eight hundred ninety-eight".

Divisors: 1 2 11 22 1945859 3891718 21404449 42808898