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42401210 = 256136917
BaseRepresentation
bin1010000110111…
…1110110111010
32221210012112012
42201233312322
541323314320
64112445522
71023255455
oct241576672
987705465
1042401210
1121a30725
12122498a2
138a27797
1458ba49c
153ac84c5
hex286fdba

42401210 has 16 divisors (see below), whose sum is σ = 76457736. Its totient is φ = 16930368.

The previous prime is 42401209. The next prime is 42401231. The reversal of 42401210 is 1210424.

It can be written as a sum of positive squares in 4 ways, for example, as 22572001 + 19829209 = 4751^2 + 4453^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2672 + ... + 9588.

Almost surely, 242401210 is an apocalyptic number.

42401210 is a deficient number, since it is larger than the sum of its proper divisors (34056526).

42401210 is a wasteful number, since it uses less digits than its factorization.

42401210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7537.

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 42401210 is about 6511.6211499134. The cubic root of 42401210 is about 348.7059972831.

Adding to 42401210 its reverse (1210424), we get a palindrome (43611634).

The spelling of 42401210 in words is "forty-two million, four hundred one thousand, two hundred ten".

Divisors: 1 2 5 10 613 1226 3065 6130 6917 13834 34585 69170 4240121 8480242 21200605 42401210