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3140621 = 11535387
BaseRepresentation
bin1011111110110000001101
312220120010022
423332300031
51300444441
6151151525
735460221
oct13766015
95816108
103140621
111855660
1210755a5
1385c673
145ba781
1542084b
hex2fec0d

3140621 has 8 divisors (see below), whose sum is σ = 3491424. Its totient is φ = 2800720.

The previous prime is 3140593. The next prime is 3140623. The reversal of 3140621 is 1260413.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3140621 - 210 = 3139597 is a prime.

It is a super-3 number, since 3×31406213 = 92932548203333109183, which contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3140621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3140623) 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, 2111 + ... + 3276.

It is an arithmetic number, because the mean of its divisors is an integer number (436428).

Almost surely, 23140621 is an apocalyptic number.

It is an amenable number.

3140621 is a deficient number, since it is larger than the sum of its proper divisors (350803).

3140621 is a wasteful number, since it uses less digits than its factorization.

3140621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5451.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 3140621 is about 1772.1797312914. The cubic root of 3140621 is about 146.4440878943. Note that the first 3 decimals are identical.

It can be divided in two parts, 31406 and 21, that multiplied together give a triangular number (659526 = T1148).

The spelling of 3140621 in words is "three million, one hundred forty thousand, six hundred twenty-one".

Divisors: 1 11 53 583 5387 59257 285511 3140621