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42226465 = 529291217
BaseRepresentation
bin1010000100010…
…1001100100001
32221110022211011
42201011030201
541302221330
64105020521
71021630141
oct241051441
987408734
1042226465
1121921406
1212184741
138996098
145872921
153a9182a
hex2845321

42226465 has 8 divisors (see below), whose sum is σ = 52419240. Its totient is φ = 32616192.

The previous prime is 42226463. The next prime is 42226489. The reversal of 42226465 is 56462224.

It can be written as a sum of positive squares in 4 ways, for example, as 9186961 + 33039504 = 3031^2 + 5748^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 42226465 - 21 = 42226463 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42226463) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 145464 + ... + 145753.

It is an arithmetic number, because the mean of its divisors is an integer number (6552405).

Almost surely, 242226465 is an apocalyptic number.

It is an amenable number.

42226465 is a deficient number, since it is larger than the sum of its proper divisors (10192775).

42226465 is a wasteful number, since it uses less digits than its factorization.

42226465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291251.

The product of its digits is 23040, while the sum is 31.

The square root of 42226465 is about 6498.1893631996. The cubic root of 42226465 is about 348.2263055467.

Adding to 42226465 its reverse (56462224), we get a palindrome (98688689).

The spelling of 42226465 in words is "forty-two million, two hundred twenty-six thousand, four hundred sixty-five".

Divisors: 1 5 29 145 291217 1456085 8445293 42226465