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206770704 = 2437615389
BaseRepresentation
bin11000101001100…
…01001000010000
3112102002001002020
430110301020100
5410413130304
632303451440
75060344020
oct1424611020
9472061066
10206770704
11a6797988
12592b6b80
1333ab803a
141d665a80
15132455d9
hexc531210

206770704 has 40 divisors (see below), whose sum is σ = 610466880. Its totient is φ = 59077248.

The previous prime is 206770691. The next prime is 206770721. The reversal of 206770704 is 407077602.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 307359 + ... + 308030.

It is an arithmetic number, because the mean of its divisors is an integer number (15261672).

Almost surely, 2206770704 is an apocalyptic number.

206770704 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

206770704 is an abundant number, since it is smaller than the sum of its proper divisors (403696176).

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

206770704 is a wasteful number, since it uses less digits than its factorization.

206770704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 615407 (or 615401 counting only the distinct ones).

The product of its (nonzero) digits is 16464, while the sum is 33.

The square root of 206770704 is about 14379.5237751464. The cubic root of 206770704 is about 591.3296679682.

It can be divided in two parts, 2067 and 70704, that added together give a triangular number (72771 = T381).

The spelling of 206770704 in words is "two hundred six million, seven hundred seventy thousand, seven hundred four".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 42 48 56 84 112 168 336 615389 1230778 1846167 2461556 3692334 4307723 4923112 7384668 8615446 9846224 12923169 14769336 17230892 25846338 29538672 34461784 51692676 68923568 103385352 206770704