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316077745 = 5325319433
BaseRepresentation
bin10010110101101…
…111011010110001
3211000202102011011
4102311233122301
51121403441440
651210350521
710555421314
oct2265573261
9730672134
10316077745
11152465985
1289a2b441
1350639b69
142dd9a97b
151cb379ea
hex12d6f6b1

316077745 has 8 divisors (see below), whose sum is σ = 379429416. Its totient is φ = 252771456.

The previous prime is 316077737. The next prime is 316077761. The reversal of 316077745 is 547770613.

It can be written as a sum of positive squares in 4 ways, for example, as 55965361 + 260112384 = 7481^2 + 16128^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 316077745 - 23 = 316077737 is a prime.

It is a super-3 number, since 3×3160777453 (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 316077698 and 316077707.

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 7 ways as a sum of consecutive naturals, for example, 6549 + ... + 25981.

It is an arithmetic number, because the mean of its divisors is an integer number (47428677).

Almost surely, 2316077745 is an apocalyptic number.

It is an amenable number.

316077745 is a deficient number, since it is larger than the sum of its proper divisors (63351671).

316077745 is a wasteful number, since it uses less digits than its factorization.

316077745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22691.

The product of its (nonzero) digits is 123480, while the sum is 40.

The square root of 316077745 is about 17778.5754491185. The cubic root of 316077745 is about 681.1843151888.

The spelling of 316077745 in words is "three hundred sixteen million, seventy-seven thousand, seven hundred forty-five".

Divisors: 1 5 3253 16265 19433 97165 63215549 316077745