Search a number
-
+
270009945 = 3256000221
BaseRepresentation
bin10000000110000…
…000011001011001
3200211001221000100
4100012000121121
51023110304240
642443130013
76456022002
oct2006003131
9624057010
10270009945
11129460517
1276513909
1343c2a4ca
1427c081a9
1518a87e30
hex10180659

270009945 has 12 divisors (see below), whose sum is σ = 468017316. Its totient is φ = 144005280.

The previous prime is 270009937. The next prime is 270009959. The reversal of 270009945 is 549900072.

It can be written as a sum of positive squares in 2 ways, for example, as 164557584 + 105452361 = 12828^2 + 10269^2 .

It is not a de Polignac number, because 270009945 - 23 = 270009937 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3000066 + ... + 3000155.

It is an arithmetic number, because the mean of its divisors is an integer number (39001443).

Almost surely, 2270009945 is an apocalyptic number.

It is an amenable number.

270009945 is a deficient number, since it is larger than the sum of its proper divisors (198007371).

270009945 is a wasteful number, since it uses less digits than its factorization.

270009945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6000232 (or 6000229 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 36.

The square root of 270009945 is about 16431.9793390815. The cubic root of 270009945 is about 646.3383424132.

The spelling of 270009945 in words is "two hundred seventy million, nine thousand, nine hundred forty-five".

Divisors: 1 3 5 9 15 45 6000221 18000663 30001105 54001989 90003315 270009945