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2653975 = 52532003
BaseRepresentation
bin1010000111111100010111
311222211120101
422013330113
51134411400
6132514531
731362352
oct12077427
94884511
102653975
111552a75
12a7ba47
1371bccc
144d1299
1537656a
hex287f17

2653975 has 12 divisors (see below), whose sum is σ = 3354696. Its totient is φ = 2082080.

The previous prime is 2653969. The next prime is 2653979. The reversal of 2653975 is 5793562.

It is not a de Polignac number, because 2653975 - 23 = 2653967 is a prime.

It is a d-powerful number, because it can be written as 214 + 68 + 58 + 33 + 95 + 76 + 58 .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2653979) 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 11 ways as a sum of consecutive naturals, for example, 324 + ... + 2326.

It is an arithmetic number, because the mean of its divisors is an integer number (279558).

22653975 is an apocalyptic number.

2653975 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2653975 is a deficient number, since it is larger than the sum of its proper divisors (700721).

2653975 is a wasteful number, since it uses less digits than its factorization.

2653975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2066 (or 2061 counting only the distinct ones).

The product of its digits is 56700, while the sum is 37.

The square root of 2653975 is about 1629.1025136559. The cubic root of 2653975 is about 138.4519071727.

It can be divided in two parts, 2653 and 975, that multiplied together give a triangular number (2586675 = T2274).

The spelling of 2653975 in words is "two million, six hundred fifty-three thousand, nine hundred seventy-five".

Divisors: 1 5 25 53 265 1325 2003 10015 50075 106159 530795 2653975