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312148 = 22731069
BaseRepresentation
bin1001100001101010100
3120212012001
41030031110
534442043
610405044
72440024
oct1141524
9525161
10312148
111a3581
12130784
13ac105
1481a84
156274d
hex4c354

312148 has 12 divisors (see below), whose sum is σ = 554260. Its totient is φ = 153792.

The previous prime is 312121. The next prime is 312161. The reversal of 312148 is 841213.

312148 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 161604 + 150544 = 402^2 + 388^2 .

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, 243 + ... + 826.

2312148 is an apocalyptic number.

It is an amenable number.

312148 is a deficient number, since it is larger than the sum of its proper divisors (242112).

312148 is a wasteful number, since it uses less digits than its factorization.

312148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1146 (or 1144 counting only the distinct ones).

The product of its digits is 192, while the sum is 19.

The square root of 312148 is about 558.7020672953. The cubic root of 312148 is about 67.8349515089.

The spelling of 312148 in words is "three hundred twelve thousand, one hundred forty-eight".

Divisors: 1 2 4 73 146 292 1069 2138 4276 78037 156074 312148