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42901877 = 231865299
BaseRepresentation
bin1010001110101…
…0000101110101
32222201122022102
42203222011311
541440330002
64131311445
71030442234
oct243520565
988648272
1042901877
11222428a7
121244b585
138b71635
1459aab1b
153b76a02
hex28ea175

42901877 has 4 divisors (see below), whose sum is σ = 44767200. Its totient is φ = 41036556.

The previous prime is 42901843. The next prime is 42901879. The reversal of 42901877 is 77810924.

42901877 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 42901877 - 210 = 42900853 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42901877.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42901879) 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 3 ways as a sum of consecutive naturals, for example, 932627 + ... + 932672.

It is an arithmetic number, because the mean of its divisors is an integer number (11191800).

Almost surely, 242901877 is an apocalyptic number.

It is an amenable number.

42901877 is a deficient number, since it is larger than the sum of its proper divisors (1865323).

42901877 is a wasteful number, since it uses less digits than its factorization.

42901877 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1865322.

The product of its (nonzero) digits is 28224, while the sum is 38.

The square root of 42901877 is about 6549.9524425754. The cubic root of 42901877 is about 350.0731194172.

The spelling of 42901877 in words is "forty-two million, nine hundred one thousand, eight hundred seventy-seven".

Divisors: 1 23 1865299 42901877