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345981316 = 22173499973
BaseRepresentation
bin10100100111110…
…100000110000100
3220010000200010211
4110213310012010
51202032400231
654155325204
711400535612
oct2447640604
9803020124
10345981316
1116832a97a
1297a50804
13568a9c95
1433d426b2
1520592eb1
hex149f4184

345981316 has 12 divisors (see below), whose sum is σ = 608968332. Its totient is φ = 171990368.

The previous prime is 345981283. The next prime is 345981343. The reversal of 345981316 is 613189543.

It can be written as a sum of positive squares in 2 ways, for example, as 313148416 + 32832900 = 17696^2 + 5730^2 .

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, 249295 + ... + 250678.

It is an arithmetic number, because the mean of its divisors is an integer number (50747361).

Almost surely, 2345981316 is an apocalyptic number.

It is an amenable number.

345981316 is a deficient number, since it is larger than the sum of its proper divisors (262987016).

345981316 is a wasteful number, since it uses less digits than its factorization.

345981316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500150 (or 500148 counting only the distinct ones).

The product of its digits is 77760, while the sum is 40.

The square root of 345981316 is about 18600.5730019266. The cubic root of 345981316 is about 702.0222583127.

The spelling of 345981316 in words is "three hundred forty-five million, nine hundred eighty-one thousand, three hundred sixteen".

Divisors: 1 2 4 173 346 692 499973 999946 1999892 86495329 172990658 345981316