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3140690 = 25744867
BaseRepresentation
bin1011111110110001010010
312220120012212
423332301102
51301000230
6151152122
735460350
oct13766122
95816185
103140690
111855713
121075642
1385c6c7
145ba7d0
15420895
hex2fec52

3140690 has 16 divisors (see below), whose sum is σ = 6460992. Its totient is φ = 1076784.

The previous prime is 3140659. The next prime is 3140693. The reversal of 3140690 is 960413.

3140690 is nontrivially palindromic in base 9.

It is a super-2 number, since 2×31406902 = 19727867352200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3140693) 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 in 7 ways as a sum of consecutive naturals, for example, 22364 + ... + 22503.

It is an arithmetic number, because the mean of its divisors is an integer number (403812).

Almost surely, 23140690 is an apocalyptic number.

3140690 is an abundant number, since it is smaller than the sum of its proper divisors (3320302).

3140690 is a wasteful number, since it uses less digits than its factorization.

3140690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44881.

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 3140690 is about 1772.1991987359. The cubic root of 3140690 is about 146.4451603539.

The spelling of 3140690 in words is "three million, one hundred forty thousand, six hundred ninety".

Divisors: 1 2 5 7 10 14 35 70 44867 89734 224335 314069 448670 628138 1570345 3140690