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20980622 = 213806947
BaseRepresentation
bin101000000001…
…0001110001110
31110110221000002
41100002032032
520332334442
62025404302
7343221665
oct120021616
943427002
1020980622
1110930063
127039692
134467890
142b01ddc
151c96732
hex140238e

20980622 has 8 divisors (see below), whose sum is σ = 33891816. Its totient is φ = 9683352.

The previous prime is 20980607. The next prime is 20980637. The reversal of 20980622 is 22608902.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (20980607) and next prime (20980637).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 403448 + ... + 403499.

It is an arithmetic number, because the mean of its divisors is an integer number (4236477).

Almost surely, 220980622 is an apocalyptic number.

20980622 is a deficient number, since it is larger than the sum of its proper divisors (12911194).

20980622 is a wasteful number, since it uses less digits than its factorization.

20980622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 806962.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 20980622 is about 4580.4608938403. The cubic root of 20980622 is about 275.8075305183.

The spelling of 20980622 in words is "twenty million, nine hundred eighty thousand, six hundred twenty-two".

Divisors: 1 2 13 26 806947 1613894 10490311 20980622