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42698601 = 3211239209
BaseRepresentation
bin1010001011100…
…0011101101001
32222100022110200
42202320131221
541412323401
64123102413
71025634501
oct242703551
988308420
1042698601
1122114100
1212371a09
138accc5a
145956a01
153b36686
hex28b8769

42698601 has 18 divisors (see below), whose sum is σ = 67794090. Its totient is φ = 25877280.

The previous prime is 42698581. The next prime is 42698609. The reversal of 42698601 is 10689624.

42698601 is a `hidden beast` number, since 42 + 6 + 9 + 8 + 601 = 666.

42698601 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 42263001 + 435600 = 6501^2 + 660^2 .

It is not a de Polignac number, because 42698601 - 25 = 42698569 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42698609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 18516 + ... + 20693.

Almost surely, 242698601 is an apocalyptic number.

It is an amenable number.

42698601 is a deficient number, since it is larger than the sum of its proper divisors (25095489).

42698601 is a wasteful number, since it uses less digits than its factorization.

42698601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39237 (or 39223 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 42698601 is about 6534.4166533823. The cubic root of 42698601 is about 349.5193429341.

The spelling of 42698601 in words is "forty-two million, six hundred ninety-eight thousand, six hundred one".

Divisors: 1 3 9 11 33 99 121 363 1089 39209 117627 352881 431299 1293897 3881691 4744289 14232867 42698601