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312504424 = 23293133321
BaseRepresentation
bin10010101000000…
…111000001101000
3210210000212110221
4102220013001220
51120000120144
651002015424
710513146421
oct2250070150
9723025427
10312504424
11150445221
12887a7574
134c98857b
142d70a648
151c67dd84
hex12a07068

312504424 has 16 divisors (see below), whose sum is σ = 587950020. Its totient is φ = 155717760.

The previous prime is 312504407. The next prime is 312504433. The reversal of 312504424 is 424405213.

It is a happy number.

312504424 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 240560100 + 71944324 = 15510^2 + 8482^2 .

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, 64317 + ... + 69004.

Almost surely, 2312504424 is an apocalyptic number.

It is an amenable number.

312504424 is a deficient number, since it is larger than the sum of its proper divisors (275445596).

312504424 is a wasteful number, since it uses less digits than its factorization.

312504424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133620 (or 133616 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 312504424 is about 17677.7946588368. The cubic root of 312504424 is about 678.6076064226.

Adding to 312504424 its reverse (424405213), we get a palindrome (736909637).

The spelling of 312504424 in words is "three hundred twelve million, five hundred four thousand, four hundred twenty-four".

Divisors: 1 2 4 8 293 586 1172 2344 133321 266642 533284 1066568 39063053 78126106 156252212 312504424