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272877397 = 1352140289
BaseRepresentation
bin10000010000111…
…100011101010101
3201000110121102021
4100100330131111
51024324034042
643024413141
76522263632
oct2020743525
9630417367
10272877397
11130039911
12774771b1
13446c2720
1428353189
1518e52867
hex1043c755

272877397 has 8 divisors (see below), whose sum is σ = 294439320. Its totient is φ = 251397120.

The previous prime is 272877391. The next prime is 272877403. The reversal of 272877397 is 793778272.

It is an interprime number because it is at equal distance from previous prime (272877391) and next prime (272877403).

It can be written as a sum of positive squares in 4 ways, for example, as 40436881 + 232440516 = 6359^2 + 15246^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 272877397 - 23 = 272877389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (272877391) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 13372 + ... + 26917.

It is an arithmetic number, because the mean of its divisors is an integer number (36804915).

Almost surely, 2272877397 is an apocalyptic number.

It is an amenable number.

272877397 is a deficient number, since it is larger than the sum of its proper divisors (21561923).

272877397 is a wasteful number, since it uses less digits than its factorization.

272877397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40823.

The product of its digits is 2074464, while the sum is 52.

The square root of 272877397 is about 16519.0010896543. The cubic root of 272877397 is about 648.6182854631.

The spelling of 272877397 in words is "two hundred seventy-two million, eight hundred seventy-seven thousand, three hundred ninety-seven".

Divisors: 1 13 521 6773 40289 523757 20990569 272877397