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3140306 = 213269449
BaseRepresentation
bin1011111110101011010010
312220112200122
423332223102
51300442211
6151150242
735456261
oct13765322
95815618
103140306
1118553a4
121075382
1385c490
145ba5d8
154206db
hex2fead2

3140306 has 16 divisors (see below), whose sum is σ = 5103000. Its totient is φ = 1440768.

The previous prime is 3140299. The next prime is 3140309. The reversal of 3140306 is 6030413.

It can be written as a sum of positive squares in 4 ways, for example, as 1540081 + 1600225 = 1241^2 + 1265^2 .

It is not an unprimeable number, because it can be changed into a prime (3140309) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6770 + ... + 7218.

Almost surely, 23140306 is an apocalyptic number.

3140306 is a deficient number, since it is larger than the sum of its proper divisors (1962694).

3140306 is a wasteful number, since it uses less digits than its factorization.

3140306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 733.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 3140306 is about 1772.0908554586. The cubic root of 3140306 is about 146.4391916832.

Adding to 3140306 its reverse (6030413), we get a palindrome (9170719).

The spelling of 3140306 in words is "three million, one hundred forty thousand, three hundred six".

Divisors: 1 2 13 26 269 449 538 898 3497 5837 6994 11674 120781 241562 1570153 3140306