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42310258 = 2137154417
BaseRepresentation
bin1010000101100…
…1101001110010
32221121120202121
42201121221302
541312412013
64110504454
71022426344
oct241315162
987546677
1042310258
1121979361
121220512a
1389c5273
145895294
153aab58d
hex2859a72

42310258 has 8 divisors (see below), whose sum is σ = 63929052. Its totient is φ = 21000576.

The previous prime is 42310253. The next prime is 42310259. The reversal of 42310258 is 85201324.

It can be written as a sum of positive squares in 2 ways, for example, as 39727809 + 2582449 = 6303^2 + 1607^2 .

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

It is not an unprimeable number, because it can be changed into a prime (42310253) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76935 + ... + 77482.

Almost surely, 242310258 is an apocalyptic number.

42310258 is a deficient number, since it is larger than the sum of its proper divisors (21618794).

42310258 is a wasteful number, since it uses less digits than its factorization.

42310258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154556.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 42310258 is about 6504.6335792264. The cubic root of 42310258 is about 348.4564901593.

The spelling of 42310258 in words is "forty-two million, three hundred ten thousand, two hundred fifty-eight".

Divisors: 1 2 137 274 154417 308834 21155129 42310258