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680389707 = 3376129637
BaseRepresentation
bin101000100011011…
…110110001001011
31202102021101012210
4220203132301023
52343134432312
6151303040203
722601134314
oct5043366113
91672241183
10680389707
1131a075948
1216ba40063
13aac6447a
146651160b
153eaebe3c
hex288dec4b

680389707 has 8 divisors (see below), whose sum is σ = 931704976. Its totient is φ = 441333792.

The previous prime is 680389687. The next prime is 680389727. The reversal of 680389707 is 707983086.

680389707 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (680389687) and next prime (680389727).

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

It is not a de Polignac number, because 680389707 - 219 = 679865419 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (680389727) 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, 3064708 + ... + 3064929.

It is an arithmetic number, because the mean of its divisors is an integer number (116463122).

Almost surely, 2680389707 is an apocalyptic number.

680389707 is a deficient number, since it is larger than the sum of its proper divisors (251315269).

680389707 is a wasteful number, since it uses less digits than its factorization.

680389707 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6129677.

The product of its (nonzero) digits is 508032, while the sum is 48.

The square root of 680389707 is about 26084.2808411503. The cubic root of 680389707 is about 879.5338901253.

The spelling of 680389707 in words is "six hundred eighty million, three hundred eighty-nine thousand, seven hundred seven".

Divisors: 1 3 37 111 6129637 18388911 226796569 680389707