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20348353 = 232413671
BaseRepresentation
bin100110110011…
…1110111000001
31102021210200201
41031213313001
520202121403
62004045201
7334646434
oct115476701
942253621
1020348353
1110539023
126993801
1342a5b5c
1429b981b
151bbe21d
hex1367dc1

20348353 has 8 divisors (see below), whose sum is σ = 21326976. Its totient is φ = 19377600.

The previous prime is 20348351. The next prime is 20348357. The reversal of 20348353 is 35384302.

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

It is a cyclic number.

It is not a de Polignac number, because 20348353 - 21 = 20348351 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20348351) 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, 3708 + ... + 7378.

It is an arithmetic number, because the mean of its divisors is an integer number (2665872).

Almost surely, 220348353 is an apocalyptic number.

20348353 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

20348353 is a deficient number, since it is larger than the sum of its proper divisors (978623).

20348353 is a wasteful number, since it uses less digits than its factorization.

20348353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3935.

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 20348353 is about 4510.9148739474. The cubic root of 20348353 is about 273.0086585472.

The spelling of 20348353 in words is "twenty million, three hundred forty-eight thousand, three hundred fifty-three".

Divisors: 1 23 241 3671 5543 84433 884711 20348353