Search a number
-
+
3049961 = 23132607
BaseRepresentation
bin1011101000100111101001
312201221202112
423220213221
51240044321
6145212105
734632005
oct13504751
95657675
103049961
1117a3532
121031035
1382a315
14595705
15403a5b
hex2e89e9

3049961 has 4 divisors (see below), whose sum is σ = 3182592. Its totient is φ = 2917332.

The previous prime is 3049957. The next prime is 3049967. The reversal of 3049961 is 1699403.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1699403 = 4339521.

It is a cyclic number.

It is not a de Polignac number, because 3049961 - 22 = 3049957 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3049967) 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, 66281 + ... + 66326.

It is an arithmetic number, because the mean of its divisors is an integer number (795648).

Almost surely, 23049961 is an apocalyptic number.

It is an amenable number.

3049961 is a deficient number, since it is larger than the sum of its proper divisors (132631).

3049961 is a wasteful number, since it uses less digits than its factorization.

3049961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132630.

The product of its (nonzero) digits is 5832, while the sum is 32.

The square root of 3049961 is about 1746.4137539541. The cubic root of 3049961 is about 145.0211780403.

The spelling of 3049961 in words is "three million, forty-nine thousand, nine hundred sixty-one".

Divisors: 1 23 132607 3049961