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8622990493 = 134219157219
BaseRepresentation
bin10000000011111100…
…00110010010011101
3211020221200022012021
420001332012102131
5120124441143433
63543352340141
7423454131655
oct100176062235
924227608167
108622990493
1137254a9427
1218079a4651
13a7562b350
145bb317365
1535705a22d
hex201f8649d

8622990493 has 8 divisors (see below), whose sum is σ = 9288557600. Its totient is φ = 7957746288.

The previous prime is 8622990403. The next prime is 8622990499. The reversal of 8622990493 is 3940992268.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-8622990493 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8622990493.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8622990499) 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, 23763 + ... + 133456.

It is an arithmetic number, because the mean of its divisors is an integer number (1161069700).

Almost surely, 28622990493 is an apocalyptic number.

It is an amenable number.

8622990493 is a deficient number, since it is larger than the sum of its proper divisors (665567107).

8622990493 is a wasteful number, since it uses less digits than its factorization.

8622990493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161451.

The product of its (nonzero) digits is 1679616, while the sum is 52.

The square root of 8622990493 is about 92860.0586527922. The cubic root of 8622990493 is about 2050.6236843559.

The spelling of 8622990493 in words is "eight billion, six hundred twenty-two million, nine hundred ninety thousand, four hundred ninety-three".

Divisors: 1 13 4219 54847 157219 2043847 663306961 8622990493