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6890214401 = 7984316343
BaseRepresentation
bin1100110101011000…
…00101010000000001
3122210012011011020222
412122230011100001
5103102343330101
63055413112425
7332513566430
oct63254052001
918705134228
106890214401
112a1638a074
121403628715
1385a647355
1449513d117
152a4d8001b
hex19ab05401

6890214401 has 4 divisors (see below), whose sum is σ = 7874530752. Its totient is φ = 5905898052.

The previous prime is 6890214367. The next prime is 6890214431. The reversal of 6890214401 is 1044120986.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6890214401 - 226 = 6823105537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6890214431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 492158165 + ... + 492158178.

It is an arithmetic number, because the mean of its divisors is an integer number (1968632688).

Almost surely, 26890214401 is an apocalyptic number.

It is an amenable number.

6890214401 is a deficient number, since it is larger than the sum of its proper divisors (984316351).

6890214401 is an equidigital number, since it uses as much as digits as its factorization.

6890214401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 984316350.

The product of its (nonzero) digits is 13824, while the sum is 35.

The square root of 6890214401 is about 83007.3153462994. The cubic root of 6890214401 is about 1902.8778549847.

The spelling of 6890214401 in words is "six billion, eight hundred ninety million, two hundred fourteen thousand, four hundred one".

Divisors: 1 7 984316343 6890214401