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3144392 = 23312409
BaseRepresentation
bin1011111111101011001000
312220202021222
423333223020
51301110032
6151221212
735504216
oct13775310
95822258
103144392
111858479
121077808
138612b4
145bbcb6
15421a12
hex2ffac8

3144392 has 24 divisors (see below), whose sum is σ = 6106950. Its totient is φ = 1517760.

The previous prime is 3144389. The next prime is 3144403. The reversal of 3144392 is 2934413.

It can be written as a sum of positive squares in only one way, i.e., 2033476 + 1110916 = 1426^2 + 1054^2 .

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7484 + ... + 7892.

Almost surely, 23144392 is an apocalyptic number.

It is an amenable number.

3144392 is a deficient number, since it is larger than the sum of its proper divisors (2962558).

3144392 is a wasteful number, since it uses less digits than its factorization.

3144392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 477 (or 442 counting only the distinct ones).

The product of its digits is 2592, while the sum is 26.

The square root of 3144392 is about 1773.2433561133. The cubic root of 3144392 is about 146.5026771323.

The spelling of 3144392 in words is "three million, one hundred forty-four thousand, three hundred ninety-two".

Divisors: 1 2 4 8 31 62 124 248 409 818 961 1636 1922 3272 3844 7688 12679 25358 50716 101432 393049 786098 1572196 3144392