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42242323 = 181419557
BaseRepresentation
bin1010000100100…
…1000100010011
32221111010120111
42201021010103
541303223243
64105222151
71022024314
oct241110423
987433514
1042242323
1121932312
1212191957
1389a0376
14587860b
153a9639d
hex2849113

42242323 has 8 divisors (see below), whose sum is σ = 42653520. Its totient is φ = 41833440.

The previous prime is 42242311. The next prime is 42242351. The reversal of 42242323 is 32324224.

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 42242323 - 29 = 42241811 is a prime.

It is a super-3 number, since 3×422423233 (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42242294 and 42242303.

It is not an unprimeable number, because it can be changed into a prime (42242303) 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, 75561 + ... + 76117.

It is an arithmetic number, because the mean of its divisors is an integer number (5331690).

It is a self-describing number.

Almost surely, 242242323 is an apocalyptic number.

42242323 is a deficient number, since it is larger than the sum of its proper divisors (411197).

42242323 is a wasteful number, since it uses less digits than its factorization.

42242323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1157.

The product of its digits is 2304, while the sum is 22.

The square root of 42242323 is about 6499.4094347102. The cubic root of 42242323 is about 348.2698918112.

Adding to 42242323 its reverse (32324224), we get a palindrome (74566547).

The spelling of 42242323 in words is "forty-two million, two hundred forty-two thousand, three hundred twenty-three".

Divisors: 1 181 419 557 75839 100817 233383 42242323