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42474418 = 277334139
BaseRepresentation
bin1010001000000…
…1101110110010
32221220220221121
42202001232302
541333140133
64114212454
71024012060
oct242015662
987826847
1042474418
1121a80728
121228412a
138a51bbc
1458d9030
153ae002d
hex2881bb2

42474418 has 16 divisors (see below), whose sum is σ = 72930240. Its totient is φ = 18174096.

The previous prime is 42474407. The next prime is 42474427. The reversal of 42474418 is 81447424.

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 7 ways as a sum of consecutive naturals, for example, 8193 + ... + 12331.

It is an arithmetic number, because the mean of its divisors is an integer number (4558140).

Almost surely, 242474418 is an apocalyptic number.

42474418 is a deficient number, since it is larger than the sum of its proper divisors (30455822).

42474418 is a wasteful number, since it uses less digits than its factorization.

42474418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4881.

The product of its digits is 28672, while the sum is 34.

The square root of 42474418 is about 6517.2400600254. The cubic root of 42474418 is about 348.9065685314.

The spelling of 42474418 in words is "forty-two million, four hundred seventy-four thousand, four hundred eighteen".

Divisors: 1 2 7 14 733 1466 4139 5131 8278 10262 28973 57946 3033887 6067774 21237209 42474418