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315241142 = 2739213289
BaseRepresentation
bin10010110010100…
…011001010110110
3210222011220112212
4102302203022312
51121200204032
651140413422
710545335246
oct2262431266
9728156485
10315241142
11151a44377
12896a7272
1350406128
142dc1db26
151ca1ebb2
hex12ca32b6

315241142 has 8 divisors (see below), whose sum is σ = 473503800. Its totient is φ = 157406544.

The previous prime is 315241133. The next prime is 315241163. The reversal of 315241142 is 241142513.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105167 + ... + 108122.

It is an arithmetic number, because the mean of its divisors is an integer number (59187975).

Almost surely, 2315241142 is an apocalyptic number.

315241142 is a deficient number, since it is larger than the sum of its proper divisors (158262658).

315241142 is a wasteful number, since it uses less digits than its factorization.

315241142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214030.

The product of its digits is 960, while the sum is 23.

The square root of 315241142 is about 17755.0314559000. The cubic root of 315241142 is about 680.5827918998.

Adding to 315241142 its reverse (241142513), we get a palindrome (556383655).

The spelling of 315241142 in words is "three hundred fifteen million, two hundred forty-one thousand, one hundred forty-two".

Divisors: 1 2 739 1478 213289 426578 157620571 315241142