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42764061 = 3172336457
BaseRepresentation
bin1010001100100…
…0011100011101
32222110122021010
42203020130131
541421422221
64124325433
71026326364
oct243103435
988418233
1042764061
11221592aa
12123a3879
138b239a2
1459727db
153b4ac76
hex28c871d

42764061 has 16 divisors (see below), whose sum is σ = 62999424. Its totient is φ = 25665024.

The previous prime is 42764047. The next prime is 42764087. The reversal of 42764061 is 16046724.

It is not a de Polignac number, because 42764061 - 29 = 42763549 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42764011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17056 + ... + 19401.

It is an arithmetic number, because the mean of its divisors is an integer number (3937464).

Almost surely, 242764061 is an apocalyptic number.

It is an amenable number.

42764061 is a deficient number, since it is larger than the sum of its proper divisors (20235363).

42764061 is a wasteful number, since it uses less digits than its factorization.

42764061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36500.

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 42764061 is about 6539.4235984527. The cubic root of 42764061 is about 349.6978644282.

The spelling of 42764061 in words is "forty-two million, seven hundred sixty-four thousand, sixty-one".

Divisors: 1 3 17 23 51 69 391 1173 36457 109371 619769 838511 1859307 2515533 14254687 42764061