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20350967 = 713223637
BaseRepresentation
bin100110110100…
…0011111110111
31102021221021112
41031220133313
520202212332
62004105235
7334660160
oct115503767
942257245
1020350967
111053aa8a
12699521b
1342a70c0
1429ba767
151bbedb2
hex13687f7

20350967 has 8 divisors (see below), whose sum is σ = 25047456. Its totient is φ = 16101792.

The previous prime is 20350963. The next prime is 20350969. The reversal of 20350967 is 76905302.

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

It is not a de Polignac number, because 20350967 - 22 = 20350963 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20350963) 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, 111728 + ... + 111909.

It is an arithmetic number, because the mean of its divisors is an integer number (3130932).

Almost surely, 220350967 is an apocalyptic number.

20350967 is a deficient number, since it is larger than the sum of its proper divisors (4696489).

20350967 is a wasteful number, since it uses less digits than its factorization.

20350967 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223657.

The product of its (nonzero) digits is 11340, while the sum is 32.

The square root of 20350967 is about 4511.2046063108. The cubic root of 20350967 is about 273.0203485036.

The spelling of 20350967 in words is "twenty million, three hundred fifty thousand, nine hundred sixty-seven".

Divisors: 1 7 13 91 223637 1565459 2907281 20350967