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2739025 = 523312
BaseRepresentation
bin1010011100101101010001
312011011020101
422130231101
51200122100
6134412401
732165332
oct12345521
95134211
102739025
111600963
12b01101
1374b933
14514289
1539186a
hex29cb51

2739025 has 9 divisors (see below), whose sum is σ = 3406683. Its totient is φ = 2184600.

The previous prime is 2739017. The next prime is 2739031. The reversal of 2739025 is 5209372.

The square root of 2739025 is 1655.

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

2739025 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 986049 + 1752976 = 993^2 + 1324^2 .

It is not a de Polignac number, because 2739025 - 23 = 2739017 is a prime.

It is a Duffinian number.

2739025 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 2738984 and 2739002.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 8110 + ... + 8440.

22739025 is an apocalyptic number.

2739025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2739025 is the 1655-th square number.

2739025 is the 828-th centered octagonal number.

It is an amenable number.

2739025 is a deficient number, since it is larger than the sum of its proper divisors (667658).

2739025 is an frugal number, since it uses more digits than its factorization.

2739025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 672 (or 336 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 28.

The cubic root of 2739025 is about 139.9153399716.

The spelling of 2739025 in words is "two million, seven hundred thirty-nine thousand, twenty-five".

Divisors: 1 5 25 331 1655 8275 109561 547805 2739025