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3144494 = 21572247
BaseRepresentation
bin1011111111101100101110
312220202102202
423333230232
51301110434
6151221502
735504423
oct13775456
95822382
103144494
111858561
121077892
13861362
145bbd4a
15421a7e
hex2ffb2e

3144494 has 4 divisors (see below), whose sum is σ = 4716744. Its totient is φ = 1572246.

The previous prime is 3144469. The next prime is 3144509. The reversal of 3144494 is 4944413.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4944413 = 29170497.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 786122 + ... + 786125.

It is an arithmetic number, because the mean of its divisors is an integer number (1179186).

Almost surely, 23144494 is an apocalyptic number.

3144494 is a deficient number, since it is larger than the sum of its proper divisors (1572250).

3144494 is a wasteful number, since it uses less digits than its factorization.

3144494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1572249.

The product of its digits is 6912, while the sum is 29.

The square root of 3144494 is about 1773.2721167379. The cubic root of 3144494 is about 146.5042612342.

The spelling of 3144494 in words is "three million, one hundred forty-four thousand, four hundred ninety-four".

Divisors: 1 2 1572247 3144494