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3489705 = 32577549
BaseRepresentation
bin1101010011111110101001
320120021222100
431103332221
51343132310
6202444013
741443032
oct15237651
96507870
103489705
111a7395a
121203609
1395251b
1466ba89
1548dec0
hex353fa9

3489705 has 12 divisors (see below), whose sum is σ = 6048900. Its totient is φ = 1861152.

The previous prime is 3489697. The next prime is 3489713. The reversal of 3489705 is 5079843.

It is an interprime number because it is at equal distance from previous prime (3489697) and next prime (3489713).

It can be written as a sum of positive squares in 2 ways, for example, as 826281 + 2663424 = 909^2 + 1632^2 .

It is not a de Polignac number, because 3489705 - 23 = 3489697 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3489705.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 38730 + ... + 38819.

It is an arithmetic number, because the mean of its divisors is an integer number (504075).

Almost surely, 23489705 is an apocalyptic number.

It is an amenable number.

3489705 is a deficient number, since it is larger than the sum of its proper divisors (2559195).

3489705 is a wasteful number, since it uses less digits than its factorization.

3489705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77560 (or 77557 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 3489705 is about 1868.0752126186. The cubic root of 3489705 is about 151.6804372367.

The spelling of 3489705 in words is "three million, four hundred eighty-nine thousand, seven hundred five".

Divisors: 1 3 5 9 15 45 77549 232647 387745 697941 1163235 3489705