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272428507 = 1325093167
BaseRepresentation
bin10000001111001…
…110110111011011
3200222121210122201
4100033032313123
51024220203012
643011031031
76515414131
oct2017166733
9628553581
10272428507
1112a86262a
127729b477
1344596300
1428277751
1518db4857
hex103ceddb

272428507 has 12 divisors (see below), whose sum is σ = 295669440. Its totient is φ = 250899168.

The previous prime is 272428487. The next prime is 272428531. The reversal of 272428507 is 705824272.

It is not a de Polignac number, because 272428507 - 219 = 271904219 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (272428567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 84438 + ... + 87604.

It is an arithmetic number, because the mean of its divisors is an integer number (24639120).

Almost surely, 2272428507 is an apocalyptic number.

272428507 is a deficient number, since it is larger than the sum of its proper divisors (23240933).

272428507 is a wasteful number, since it uses less digits than its factorization.

272428507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3702 (or 3689 counting only the distinct ones).

The product of its (nonzero) digits is 62720, while the sum is 37.

The square root of 272428507 is about 16505.4084166373. The cubic root of 272428507 is about 648.2624259384.

The spelling of 272428507 in words is "two hundred seventy-two million, four hundred twenty-eight thousand, five hundred seven".

Divisors: 1 13 169 509 3167 6617 41171 86021 535223 1612003 20956039 272428507