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270421307 = 13136715217
BaseRepresentation
bin10000000111100…
…100110100111011
3200211211211021222
4100013210310323
51023211440212
642500022255
76462354212
oct2007446473
9624754258
10270421307
11129711592
127669198b
1344042810
1427cb4079
1518b19c72
hex101e4d3b

270421307 has 8 divisors (see below), whose sum is σ = 291455136. Its totient is φ = 249420672.

The previous prime is 270421301. The next prime is 270421331. The reversal of 270421307 is 703124072.

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 270421307 - 212 = 270417211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (270421301) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10163 + ... + 25379.

It is an arithmetic number, because the mean of its divisors is an integer number (36431892).

Almost surely, 2270421307 is an apocalyptic number.

270421307 is a deficient number, since it is larger than the sum of its proper divisors (21033829).

270421307 is a wasteful number, since it uses less digits than its factorization.

270421307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16597.

The product of its (nonzero) digits is 2352, while the sum is 26.

The square root of 270421307 is about 16444.4916917489. The cubic root of 270421307 is about 646.6664094955. Note that the first 3 decimals are identical.

Adding to 270421307 its reverse (703124072), we get a palindrome (973545379).

The spelling of 270421307 in words is "two hundred seventy million, four hundred twenty-one thousand, three hundred seven".

Divisors: 1 13 1367 15217 17771 197821 20801639 270421307