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272808434 = 2136404217
BaseRepresentation
bin10000010000101…
…011100111110010
3201000100002211002
4100100223213302
51024314332214
643023122002
76521555603
oct2020534762
9630302732
10272808434
1112aaa2018
1277443302
134469a212
1428335daa
1518e3c1de
hex1042b9f2

272808434 has 4 divisors (see below), whose sum is σ = 409212654. Its totient is φ = 136404216.

The previous prime is 272808413. The next prime is 272808443. The reversal of 272808434 is 434808272.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 247275625 + 25532809 = 15725^2 + 5053^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68202107 + ... + 68202110.

Almost surely, 2272808434 is an apocalyptic number.

272808434 is a deficient number, since it is larger than the sum of its proper divisors (136404220).

272808434 is a wasteful number, since it uses less digits than its factorization.

272808434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136404219.

The product of its (nonzero) digits is 86016, while the sum is 38.

The square root of 272808434 is about 16516.9135736674. The cubic root of 272808434 is about 648.5636401266.

The spelling of 272808434 in words is "two hundred seventy-two million, eight hundred eight thousand, four hundred thirty-four".

Divisors: 1 2 136404217 272808434