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242351 = 2341257
BaseRepresentation
bin111011001010101111
3110022102222
4323022233
530223401
65105555
72026364
oct731257
9408388
10242351
1115609a
12b82bb
1386405
146446b
154bc1b
hex3b2af

242351 has 8 divisors (see below), whose sum is σ = 260064. Its totient is φ = 225280.

The previous prime is 242329. The next prime is 242357. The reversal of 242351 is 153242.

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 242351 - 210 = 241327 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 (242357) 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, 815 + ... + 1071.

It is an arithmetic number, because the mean of its divisors is an integer number (32508).

2242351 is an apocalyptic number.

242351 is a deficient number, since it is larger than the sum of its proper divisors (17713).

242351 is a wasteful number, since it uses less digits than its factorization.

242351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321.

The product of its digits is 240, while the sum is 17.

The square root of 242351 is about 492.2915802652. The cubic root of 242351 is about 62.3469106580.

Adding to 242351 its reverse (153242), we get a palindrome (395593).

The spelling of 242351 in words is "two hundred forty-two thousand, three hundred fifty-one".

Divisors: 1 23 41 257 943 5911 10537 242351