Search a number
-
+
683252209 = 29148315887
BaseRepresentation
bin101000101110011…
…001100111110001
31202121122210211101
4220232121213301
52344403032314
6151444244401
722634355643
oct5056314761
91677583741
10683252209
11320750552
121709a0701
13ab727363
1466a58893
153eeb5174
hex28b999f1

683252209 has 8 divisors (see below), whose sum is σ = 707333760. Its totient is φ = 659205456.

The previous prime is 683252201. The next prime is 683252239. The reversal of 683252209 is 902252386.

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 683252209 - 23 = 683252201 is a prime.

It is a super-2 number, since 2×6832522092 = 933667162206759362, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (683252201) 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, 35064 + ... + 50950.

It is an arithmetic number, because the mean of its divisors is an integer number (88416720).

Almost surely, 2683252209 is an apocalyptic number.

It is an amenable number.

683252209 is a deficient number, since it is larger than the sum of its proper divisors (24081551).

683252209 is a wasteful number, since it uses less digits than its factorization.

683252209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17399.

The product of its (nonzero) digits is 51840, while the sum is 37.

The square root of 683252209 is about 26139.0934999667. The cubic root of 683252209 is about 880.7656082556.

The spelling of 683252209 in words is "six hundred eighty-three million, two hundred fifty-two thousand, two hundred nine".

Divisors: 1 29 1483 15887 43007 460723 23560421 683252209