Search a number
-
+
270276381 = 32233593637
BaseRepresentation
bin10000000111000…
…001011100011101
3200211120110111100
4100013001130131
51023142321011
642452543313
76461211534
oct2007013435
9624513440
10270276381
11129622711
1276621b39
1343cc186b
1427c7731b
1518adbd56
hex101c171d

270276381 has 24 divisors (see below), whose sum is σ = 408620160. Its totient is φ = 171822816.

The previous prime is 270276373. The next prime is 270276397. The reversal of 270276381 is 183672072.

270276381 is a `hidden beast` number, since 2 + 7 + 0 + 276 + 381 = 666.

It is not a de Polignac number, because 270276381 - 23 = 270276373 is a prime.

It is a super-2 number, since 2×2702763812 = 146098644252914322, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (270276341) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 72495 + ... + 76131.

It is an arithmetic number, because the mean of its divisors is an integer number (17025840).

Almost surely, 2270276381 is an apocalyptic number.

It is an amenable number.

270276381 is a deficient number, since it is larger than the sum of its proper divisors (138343779).

270276381 is a wasteful number, since it uses less digits than its factorization.

270276381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4025 (or 4022 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 36.

The square root of 270276381 is about 16440.0845800744. The cubic root of 270276381 is about 646.5508669196.

The spelling of 270276381 in words is "two hundred seventy million, two hundred seventy-six thousand, three hundred eighty-one".

Divisors: 1 3 9 23 69 207 359 1077 3231 3637 8257 10911 24771 32733 74313 83651 250953 752859 1305683 3917049 11751147 30030709 90092127 270276381