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42303061 = 153127631
BaseRepresentation
bin1010000101011…
…1111001010101
32221121012220001
42201113321111
541312144221
64110411301
71022366353
oct241277125
987535801
1042303061
1121973a09
1212200b31
1389c1bc8
1458927d3
153aa9391
hex2857e55

42303061 has 4 divisors (see below), whose sum is σ = 42332224. Its totient is φ = 42273900.

The previous prime is 42303031. The next prime is 42303067. The reversal of 42303061 is 16030324.

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 42303061 - 25 = 42303029 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 (42303067) 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, 12285 + ... + 15346.

It is an arithmetic number, because the mean of its divisors is an integer number (10583056).

Almost surely, 242303061 is an apocalyptic number.

It is an amenable number.

42303061 is a deficient number, since it is larger than the sum of its proper divisors (29163).

42303061 is a wasteful number, since it uses less digits than its factorization.

42303061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29162.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 42303061 is about 6504.0803346822. The cubic root of 42303061 is about 348.4367314870.

Adding to 42303061 its reverse (16030324), we get a palindrome (58333385).

The spelling of 42303061 in words is "forty-two million, three hundred three thousand, sixty-one".

Divisors: 1 1531 27631 42303061