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2761285 = 52692053
BaseRepresentation
bin1010100010001001000101
312012021202211
422202021011
51201330120
6135103421
732320252
oct12421105
95167684
102761285
11161665a
12b11b71
13758ac7
1451c429
1539825a
hex2a2245

2761285 has 8 divisors (see below), whose sum is σ = 3327480. Its totient is φ = 2199744.

The previous prime is 2761279. The next prime is 2761301. The reversal of 2761285 is 5821672.

It can be written as a sum of positive squares in 4 ways, for example, as 12321 + 2748964 = 111^2 + 1658^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 2761285 - 23 = 2761277 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 319 + ... + 2371.

It is an arithmetic number, because the mean of its divisors is an integer number (415935).

22761285 is an apocalyptic number.

It is an amenable number.

2761285 is a deficient number, since it is larger than the sum of its proper divisors (566195).

2761285 is a wasteful number, since it uses less digits than its factorization.

2761285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2327.

The product of its digits is 6720, while the sum is 31.

The square root of 2761285 is about 1661.7114671326. The cubic root of 2761285 is about 140.2933474932.

It can be divided in two parts, 2761 and 285, that multiplied together give a triangular number (786885 = T1254).

The spelling of 2761285 in words is "two million, seven hundred sixty-one thousand, two hundred eighty-five".

Divisors: 1 5 269 1345 2053 10265 552257 2761285