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242090837 = 1917373651
BaseRepresentation
bin11100110111000…
…00001101010101
3121212112111012022
432123200031111
5443433401322
640004502525
75666511122
oct1633401525
9555474168
10242090837
1111472147a
12690aaa45
133b203721
142421b749
15163c0942
hexe6e0355

242090837 has 8 divisors (see below), whose sum is σ = 256308960. Its totient is φ = 228020400.

The previous prime is 242090833. The next prime is 242090851. The reversal of 242090837 is 738090242.

242090837 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 242090837 - 22 = 242090833 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 242090797 and 242090806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242090833) 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, 33539 + ... + 40112.

It is an arithmetic number, because the mean of its divisors is an integer number (32038620).

Almost surely, 2242090837 is an apocalyptic number.

It is an amenable number.

242090837 is a deficient number, since it is larger than the sum of its proper divisors (14218123).

242090837 is a wasteful number, since it uses less digits than its factorization.

242090837 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73843.

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 242090837 is about 15559.2685239377. The cubic root of 242090837 is about 623.2459293565.

The spelling of 242090837 in words is "two hundred forty-two million, ninety thousand, eight hundred thirty-seven".

Divisors: 1 19 173 3287 73651 1399369 12741623 242090837