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42260331 = 346130557
BaseRepresentation
bin1010000100110…
…1011101101011
32221112001021110
42201031131223
541304312311
64105441403
71022130651
oct241153553
987461243
1042260331
11219448a3
12121a0263
1389a8619
145880dd1
153a9b8a6
hex284d76b

42260331 has 8 divisors (see below), whose sum is σ = 56471184. Its totient is φ = 28111520.

The previous prime is 42260303. The next prime is 42260333. The reversal of 42260331 is 13306224.

It is a happy number.

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 42260331 - 27 = 42260203 is a prime.

It is a super-2 number, since 2×422603312 = 3571871152459122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 42260298 and 42260307.

It is not an unprimeable number, because it can be changed into a prime (42260333) 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, 13896 + ... + 16661.

It is an arithmetic number, because the mean of its divisors is an integer number (7058898).

Almost surely, 242260331 is an apocalyptic number.

42260331 is a deficient number, since it is larger than the sum of its proper divisors (14210853).

42260331 is a wasteful number, since it uses less digits than its factorization.

42260331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31021.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 42260331 is about 6500.7946437339. The cubic root of 42260331 is about 348.3193742005.

Adding to 42260331 its reverse (13306224), we get a palindrome (55566555).

The spelling of 42260331 in words is "forty-two million, two hundred sixty thousand, three hundred thirty-one".

Divisors: 1 3 461 1383 30557 91671 14086777 42260331