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3140234 = 21570117
BaseRepresentation
bin1011111110101010001010
312220112120222
423332222022
51300441414
6151150042
735456126
oct13765212
95815528
103140234
111855339
121075322
1385c436
145ba586
1542068e
hex2fea8a

3140234 has 4 divisors (see below), whose sum is σ = 4710354. Its totient is φ = 1570116.

The previous prime is 3140233. The next prime is 3140237. The reversal of 3140234 is 4320413.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4320413 = 12734019.

It can be written as a sum of positive squares in only one way, i.e., 2146225 + 994009 = 1465^2 + 997^2 .

It is a super-2 number, since 2×31402342 = 19722139149512, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3140233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 785057 + ... + 785060.

Almost surely, 23140234 is an apocalyptic number.

3140234 is a deficient number, since it is larger than the sum of its proper divisors (1570120).

3140234 is a wasteful number, since it uses less digits than its factorization.

3140234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1570119.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 3140234 is about 1772.0705403567. The cubic root of 3140234 is about 146.4380725032.

Adding to 3140234 its reverse (4320413), we get a palindrome (7460647).

The spelling of 3140234 in words is "three million, one hundred forty thousand, two hundred thirty-four".

Divisors: 1 2 1570117 3140234