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42153201 = 3243108923
BaseRepresentation
bin1010000011001…
…1010011110001
32221022121022200
42200303103301
541242400301
64103253413
71021203426
oct240632361
987277280
1042153201
1121881362
121214a269
13896b92c
145853d4d
153a79c86
hex28334f1

42153201 has 12 divisors (see below), whose sum is σ = 62304528. Its totient is φ = 27448344.

The previous prime is 42153187. The next prime is 42153239. The reversal of 42153201 is 10235124.

It is not a de Polignac number, because 42153201 - 25 = 42153169 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (42157201) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 54075 + ... + 54848.

It is an arithmetic number, because the mean of its divisors is an integer number (5192044).

Almost surely, 242153201 is an apocalyptic number.

It is an amenable number.

42153201 is a deficient number, since it is larger than the sum of its proper divisors (20151327).

42153201 is a wasteful number, since it uses less digits than its factorization.

42153201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108972 (or 108969 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 42153201 is about 6492.5496532564. The cubic root of 42153201 is about 348.0247951021.

Adding to 42153201 its reverse (10235124), we get a palindrome (52388325).

The spelling of 42153201 in words is "forty-two million, one hundred fifty-three thousand, two hundred one".

Divisors: 1 3 9 43 129 387 108923 326769 980307 4683689 14051067 42153201