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206703340 = 22517607951
BaseRepresentation
bin11000101001000…
…00101011101100
3112101221121200021
430110200223230
5410404001330
632302211524
75056643434
oct1424405354
9471847607
10206703340
11a6751308
1259283ba4
1333a9348c
141d6492c4
151323067a
hexc520aec

206703340 has 24 divisors (see below), whose sum is σ = 459611712. Its totient is φ = 77817600.

The previous prime is 206703307. The next prime is 206703347. The reversal of 206703340 is 43307602.

It is not an unprimeable number, because it can be changed into a prime (206703347) 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, 303636 + ... + 304315.

It is an arithmetic number, because the mean of its divisors is an integer number (19150488).

Almost surely, 2206703340 is an apocalyptic number.

206703340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

206703340 is an abundant number, since it is smaller than the sum of its proper divisors (252908372).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

206703340 is a wasteful number, since it uses less digits than its factorization.

206703340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 607977 (or 607975 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 25.

The square root of 206703340 is about 14377.1812258175. The cubic root of 206703340 is about 591.2654443981.

The spelling of 206703340 in words is "two hundred six million, seven hundred three thousand, three hundred forty".

Divisors: 1 2 4 5 10 17 20 34 68 85 170 340 607951 1215902 2431804 3039755 6079510 10335167 12159020 20670334 41340668 51675835 103351670 206703340