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42801238 = 21031731201
BaseRepresentation
bin1010001101000…
…1100001010110
32222112112021001
42203101201112
541424114423
64125213514
71026542644
oct243214126
988475231
1042801238
1122184227
121240129a
138b3789c
145982194
153b56cad
hex28d1856

42801238 has 16 divisors (see below), whose sum is σ = 65254176. Its totient is φ = 21052800.

The previous prime is 42801217. The next prime is 42801247. The reversal of 42801238 is 83210824.

It is a congruent number.

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, 35038 + ... + 36238.

It is an arithmetic number, because the mean of its divisors is an integer number (4078386).

Almost surely, 242801238 is an apocalyptic number.

42801238 is a deficient number, since it is larger than the sum of its proper divisors (22452938).

42801238 is a wasteful number, since it uses less digits than its factorization.

42801238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1479.

The product of its (nonzero) digits is 3072, while the sum is 28.

The square root of 42801238 is about 6542.2655097451. The cubic root of 42801238 is about 349.7991718628.

The spelling of 42801238 in words is "forty-two million, eight hundred one thousand, two hundred thirty-eight".

Divisors: 1 2 103 173 206 346 1201 2402 17819 35638 123703 207773 247406 415546 21400619 42801238