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13568990 = 251356899
BaseRepresentation
bin110011110000…
…101111011110
3221112101011012
4303300233132
511433201430
61202455222
7223222511
oct63605736
927471135
1013568990
117728646
124664512
132a711b6
141b32d78
1512d0695
hexcf0bde

13568990 has 8 divisors (see below), whose sum is σ = 24424200. Its totient is φ = 5427592.

The previous prime is 13568987. The next prime is 13568993. The reversal of 13568990 is 9986531.

It is an interprime number because it is at equal distance from previous prime (13568987) and next prime (13568993).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13568993) 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, 678440 + ... + 678459.

It is an arithmetic number, because the mean of its divisors is an integer number (3053025).

Almost surely, 213568990 is an apocalyptic number.

13568990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13568990 is a deficient number, since it is larger than the sum of its proper divisors (10855210).

13568990 is a wasteful number, since it uses less digits than its factorization.

13568990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1356906.

The product of its (nonzero) digits is 58320, while the sum is 41.

The square root of 13568990 is about 3683.6110000922. The cubic root of 13568990 is about 238.5150791756.

The spelling of 13568990 in words is "thirteen million, five hundred sixty-eight thousand, nine hundred ninety".

Divisors: 1 2 5 10 1356899 2713798 6784495 13568990