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42632001 = 342918149
BaseRepresentation
bin1010001010100…
…0001101000001
32222012221010000
42202220031001
541403211001
64121430213
71025236356
oct242501501
988187100
1042632001
1122079065
121233b369
138aa8849
14593a62d
153b21a86
hex28a8341

42632001 has 20 divisors (see below), whose sum is σ = 65884500. Its totient is φ = 27439776.

The previous prime is 42631997. The next prime is 42632003. The reversal of 42632001 is 10023624.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 17139600 + 25492401 = 4140^2 + 5049^2 .

It is not a de Polignac number, because 42632001 - 22 = 42631997 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42632003) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 6726 + ... + 11423.

It is an arithmetic number, because the mean of its divisors is an integer number (3294225).

Almost surely, 242632001 is an apocalyptic number.

It is an amenable number.

42632001 is a deficient number, since it is larger than the sum of its proper divisors (23252499).

42632001 is a wasteful number, since it uses less digits than its factorization.

42632001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18190 (or 18181 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 42632001 is about 6529.3185708771. The cubic root of 42632001 is about 349.3375250996.

Adding to 42632001 its reverse (10023624), we get a palindrome (52655625).

The spelling of 42632001 in words is "forty-two million, six hundred thirty-two thousand, one".

Divisors: 1 3 9 27 29 81 87 261 783 2349 18149 54447 163341 490023 526321 1470069 1578963 4736889 14210667 42632001