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1004989685 = 5728713991
BaseRepresentation
bin111011111001101…
…110110011110101
32121001001202200012
4323321232303311
54024234132220
6243420230005
733622162040
oct7371566365
92531052605
101004989685
11476321697
1224069b305
1313029636b
1497689c57
155d369ac5
hex3be6ecf5

1004989685 has 8 divisors (see below), whose sum is σ = 1378271616. Its totient is φ = 689135760.

The previous prime is 1004989619. The next prime is 1004989771. The reversal of 1004989685 is 5869894001.

It is a happy number.

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

It is not a de Polignac number, because 1004989685 - 28 = 1004989429 is a prime.

It is a Duffinian number.

It is a congruent 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, 14356961 + ... + 14357030.

It is an arithmetic number, because the mean of its divisors is an integer number (172283952).

Almost surely, 21004989685 is an apocalyptic number.

It is an amenable number.

1004989685 is a deficient number, since it is larger than the sum of its proper divisors (373281931).

1004989685 is an equidigital number, since it uses as much as digits as its factorization.

1004989685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28714003.

The product of its (nonzero) digits is 622080, while the sum is 50.

The square root of 1004989685 is about 31701.5722796205. The cubic root of 1004989685 is about 1001.6604696478.

The spelling of 1004989685 in words is "one billion, four million, nine hundred eighty-nine thousand, six hundred eighty-five".

Divisors: 1 5 7 35 28713991 143569955 200997937 1004989685