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5145049441 = 72102472
BaseRepresentation
bin1001100101010101…
…10011100101100001
3111021120022120222201
410302222303211201
541014113040231
62210312133201
7241333125100
oct46252634541
914246276881
105145049441
112200278884
12bb7097201
1363cc1636c
1436b45c037
15201a59161
hex132ab3961

5145049441 has 9 divisors (see below), whose sum is σ = 5985641649. Its totient is φ = 4409612004.

The previous prime is 5145049367. The next prime is 5145049477. The reversal of 5145049441 is 1449405415.

The square root of 5145049441 is 71729.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 5145049441 - 27 = 5145049313 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5145049441.

It is not an unprimeable number, because it can be changed into a prime (5145049141) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 496980 + ... + 507226.

Almost surely, 25145049441 is an apocalyptic number.

5145049441 is the 71729-th square number.

5145049441 is the 35865-th centered octagonal number.

It is an amenable number.

5145049441 is a deficient number, since it is larger than the sum of its proper divisors (840592208).

5145049441 is an frugal number, since it uses more digits than its factorization.

5145049441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20508 (or 10254 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 37.

The cubic root of 5145049441 is about 1726.3539818091.

Multiplying 5145049441 by its product of nonzero digits (57600), we get a square (296354847801600 = 172149602).

The spelling of 5145049441 in words is "five billion, one hundred forty-five million, forty-nine thousand, four hundred forty-one".

Divisors: 1 7 49 10247 71729 502103 105001009 735007063 5145049441