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42087914 = 2112173917
BaseRepresentation
bin1010000010001…
…1010111101010
32221012021202122
42200203113222
541233303124
64102031242
71020512201
oct240432752
987167678
1042087914
1121837300
1212118522
138947cbb
145838238
153a6575e
hex28235ea

42087914 has 12 divisors (see below), whose sum is σ = 69393282. Its totient is φ = 19130760.

The previous prime is 42087911. The next prime is 42087919. The reversal of 42087914 is 41978024.

It can be written as a sum of positive squares in only one way, i.e., 37002889 + 5085025 = 6083^2 + 2255^2 .

It is not an unprimeable number, because it can be changed into a prime (42087911) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 86717 + ... + 87200.

Almost surely, 242087914 is an apocalyptic number.

42087914 is a deficient number, since it is larger than the sum of its proper divisors (27305368).

42087914 is a wasteful number, since it uses less digits than its factorization.

42087914 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173941 (or 173930 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 35.

The square root of 42087914 is about 6487.5198650948. The cubic root of 42087914 is about 347.8450283249.

The spelling of 42087914 in words is "forty-two million, eighty-seven thousand, nine hundred fourteen".

Divisors: 1 2 11 22 121 242 173917 347834 1913087 3826174 21043957 42087914