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317406132 = 22328816837
BaseRepresentation
bin10010111010110…
…011101110110100
3211010020220100200
4102322303232310
51122223444012
651255040500
710602623211
oct2272635664
9733226320
10317406132
11153192a1a
128a370130
13509b36a4
1430224b08
151cceb3dc
hex12eb3bb4

317406132 has 18 divisors (see below), whose sum is σ = 802332258. Its totient is φ = 105802032.

The previous prime is 317406109. The next prime is 317406143. The reversal of 317406132 is 231604713.

317406132 is a `hidden beast` number, since 3 + 1 + 7 + 40 + 613 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 209786256 + 107619876 = 14484^2 + 10374^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a junction number, because it is equal to n+sod(n) for n = 317406096 and 317406105.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4408383 + ... + 4408454.

Almost surely, 2317406132 is an apocalyptic number.

It is an amenable number.

317406132 is an abundant number, since it is smaller than the sum of its proper divisors (484926126).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

317406132 is a wasteful number, since it uses less digits than its factorization.

317406132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8816847 (or 8816842 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 317406132 is about 17815.8954868960. The cubic root of 317406132 is about 682.1372576284.

The spelling of 317406132 in words is "three hundred seventeen million, four hundred six thousand, one hundred thirty-two".

Divisors: 1 2 3 4 6 9 12 18 36 8816837 17633674 26450511 35267348 52901022 79351533 105802044 158703066 317406132