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42811301 = 133293177
BaseRepresentation
bin1010001101001…
…1111110100101
32222120001001202
42203103332211
541424430201
64125332245
71026614201
oct243237645
988501052
1042811301
1122190845
1212407085
138b3c340
145985b01
153b59c6b
hex28d3fa5

42811301 has 4 divisors (see below), whose sum is σ = 46104492. Its totient is φ = 39518112.

The previous prime is 42811277. The next prime is 42811393. The reversal of 42811301 is 10311824.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 27050401 + 15760900 = 5201^2 + 3970^2 .

It is a cyclic number.

It is not a de Polignac number, because 42811301 - 222 = 38616997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42813301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1646576 + ... + 1646601.

It is an arithmetic number, because the mean of its divisors is an integer number (11526123).

Almost surely, 242811301 is an apocalyptic number.

It is an amenable number.

42811301 is a deficient number, since it is larger than the sum of its proper divisors (3293191).

42811301 is a wasteful number, since it uses less digits than its factorization.

42811301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3293190.

The product of its (nonzero) digits is 192, while the sum is 20.

The square root of 42811301 is about 6543.0345406394. The cubic root of 42811301 is about 349.8265834783.

The spelling of 42811301 in words is "forty-two million, eight hundred eleven thousand, three hundred one".

Divisors: 1 13 3293177 42811301