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3061493 = 10932801
BaseRepresentation
bin1011101011011011110101
312202112120122
423223123311
51240431433
6145341325
735010431
oct13533365
95675518
103061493
111801166
121037845
13832646
145999c1
15407198
hex2eb6f5

3061493 has 4 divisors (see below), whose sum is σ = 3065388. Its totient is φ = 3057600.

The previous prime is 3061481. The next prime is 3061517. The reversal of 3061493 is 3941603.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 3941603 = 17231859.

It can be written as a sum of positive squares in 2 ways, for example, as 2486929 + 574564 = 1577^2 + 758^2 .

It is a cyclic number.

It is not a de Polignac number, because 3061493 - 28 = 3061237 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3061403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 308 + ... + 2493.

It is an arithmetic number, because the mean of its divisors is an integer number (766347).

Almost surely, 23061493 is an apocalyptic number.

It is an amenable number.

3061493 is a deficient number, since it is larger than the sum of its proper divisors (3895).

3061493 is a wasteful number, since it uses less digits than its factorization.

3061493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3894.

The product of its (nonzero) digits is 1944, while the sum is 26.

The square root of 3061493 is about 1749.7122620591. The cubic root of 3061493 is about 145.2037247310.

The spelling of 3061493 in words is "three million, sixty-one thousand, four hundred ninety-three".

Divisors: 1 1093 2801 3061493