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683968461 = 31120726317
BaseRepresentation
bin101000110001001…
…000011111001101
31202200000012100020
4220301020133031
52400043442321
6151511452353
722643431101
oct5061103715
91680005306
10683968461
1132109a6a0
121710870b9
13ab918387
1466ba3901
15400a74c6
hex28c487cd

683968461 has 8 divisors (see below), whose sum is σ = 994863264. Its totient is φ = 414526320.

The previous prime is 683968427. The next prime is 683968501. The reversal of 683968461 is 164869386.

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

It is not a de Polignac number, because 683968461 - 214 = 683952077 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (683968561) 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, 10363126 + ... + 10363191.

It is an arithmetic number, because the mean of its divisors is an integer number (124357908).

Almost surely, 2683968461 is an apocalyptic number.

It is an amenable number.

683968461 is a deficient number, since it is larger than the sum of its proper divisors (310894803).

683968461 is a wasteful number, since it uses less digits than its factorization.

683968461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20726331.

The product of its digits is 1492992, while the sum is 51.

The square root of 683968461 is about 26152.7906923907. The cubic root of 683968461 is about 881.0732690816.

The spelling of 683968461 in words is "six hundred eighty-three million, nine hundred sixty-eight thousand, four hundred sixty-one".

Divisors: 1 3 11 33 20726317 62178951 227989487 683968461