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42022461 = 3131077499
BaseRepresentation
bin1010000001001…
…1011000111101
32221001221222110
42200103120331
541224204321
64100404233
71020120315
oct240233075
987057873
1042022461
11217a2108
12120a6679
138924280
14581c445
153a51176
hex281363d

42022461 has 8 divisors (see below), whose sum is σ = 60340000. Its totient is φ = 25859952.

The previous prime is 42022459. The next prime is 42022489. The reversal of 42022461 is 16422024.

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

It is not a de Polignac number, because 42022461 - 21 = 42022459 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 (42022451) 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, 538711 + ... + 538788.

It is an arithmetic number, because the mean of its divisors is an integer number (7542500).

Almost surely, 242022461 is an apocalyptic number.

It is an amenable number.

42022461 is a deficient number, since it is larger than the sum of its proper divisors (18317539).

42022461 is a wasteful number, since it uses less digits than its factorization.

42022461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1077515.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 42022461 is about 6482.4733705585. The cubic root of 42022461 is about 347.6646177591.

Adding to 42022461 its reverse (16422024), we get a palindrome (58444485).

The spelling of 42022461 in words is "forty-two million, twenty-two thousand, four hundred sixty-one".

Divisors: 1 3 13 39 1077499 3232497 14007487 42022461