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42763501 = 1161101631
BaseRepresentation
bin1010001100100…
…0010011101101
32222110121111101
42203020103231
541421413001
64124323101
71026324634
oct243102355
988417441
1042763501
1122158940
12123a3491
138b23661
14597251b
153b4aa01
hex28c84ed

42763501 has 16 divisors (see below), whose sum is σ = 47961216. Its totient is φ = 37800000.

The previous prime is 42763499. The next prime is 42763519. The reversal of 42763501 is 10536724.

It is a cyclic number.

It is not a de Polignac number, because 42763501 - 21 = 42763499 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42763501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42763531) 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, 67456 + ... + 68086.

It is an arithmetic number, because the mean of its divisors is an integer number (2997576).

It is a Poulet number, since it divides 242763500-1.

Almost surely, 242763501 is an apocalyptic number.

42763501 is the 2925-th centered decagonal number.

It is an amenable number.

42763501 is a deficient number, since it is larger than the sum of its proper divisors (5197715).

42763501 is a wasteful number, since it uses less digits than its factorization.

42763501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 804.

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 42763501 is about 6539.3807810832. The cubic root of 42763501 is about 349.6963379778.

It can be divided in two parts, 42763 and 501, that added together give a square (43264 = 2082).

The spelling of 42763501 in words is "forty-two million, seven hundred sixty-three thousand, five hundred one".

Divisors: 1 11 61 101 631 671 1111 6161 6941 38491 63731 67771 423401 701041 3887591 42763501