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20700934 = 217608851
BaseRepresentation
bin100111011110…
…1111100000110
31102221201100021
41032331330012
520244412214
62015405354
7340645402
oct116757406
942851307
1020700934
1110759a11
126b2385a
13439a497
142a6c102
151c3d924
hex13bdf06

20700934 has 8 divisors (see below), whose sum is σ = 32878008. Its totient is φ = 9741600.

The previous prime is 20700929. The next prime is 20700949. The reversal of 20700934 is 43900702.

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

It is a junction number, because it is equal to n+sod(n) for n = 20700899 and 20700908.

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, 304392 + ... + 304459.

It is an arithmetic number, because the mean of its divisors is an integer number (4109751).

Almost surely, 220700934 is an apocalyptic number.

20700934 is a deficient number, since it is larger than the sum of its proper divisors (12177074).

20700934 is a wasteful number, since it uses less digits than its factorization.

20700934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 608870.

The product of its (nonzero) digits is 1512, while the sum is 25.

The square root of 20700934 is about 4549.8279088335. The cubic root of 20700934 is about 274.5764676043.

The spelling of 20700934 in words is "twenty million, seven hundred thousand, nine hundred thirty-four".

Divisors: 1 2 17 34 608851 1217702 10350467 20700934